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1130421 = 3376807
BaseRepresentation
bin100010011111110110101
32010102122110
410103332311
5242133141
640121233
712415455
oct4237665
92112573
101130421
11702336
12466219
133076b6
14215d65
15174e16
hex113fb5

1130421 has 4 divisors (see below), whose sum is σ = 1507232. Its totient is φ = 753612.

The previous prime is 1130417. The next prime is 1130429. The reversal of 1130421 is 1240311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1130421 - 22 = 1130417 is a prime.

It is a super-3 number, since 3×11304213 = 4333530976864825383, which contains 333 as substring.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1130397 and 1130406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188401 + ... + 188406.

It is an arithmetic number, because the mean of its divisors is an integer number (376808).

21130421 is an apocalyptic number.

It is an amenable number.

1130421 is a deficient number, since it is larger than the sum of its proper divisors (376811).

1130421 is an equidigital number, since it uses as much as digits as its factorization.

1130421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376810.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1130421 is about 1063.2125845756. The cubic root of 1130421 is about 104.1709773861.

Adding to 1130421 its reverse (1240311), we get a palindrome (2370732).

It can be divided in two parts, 11304 and 21, that added together give a triangular number (11325 = T150).

The spelling of 1130421 in words is "one million, one hundred thirty thousand, four hundred twenty-one".

Divisors: 1 3 376807 1130421