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1112004421 = 11101091311
BaseRepresentation
bin100001001000111…
…1101011101000101
32212111102200021221
41002101331131011
54234133120141
6302202040341
736361611253
oct10221753505
92774380257
101112004421
11520774420
122704a90b1
131494c49a8
14a79855d3
1567957bd1
hex4247d745

1112004421 has 4 divisors (see below), whose sum is σ = 1213095744. Its totient is φ = 1010913100.

The previous prime is 1112004389. The next prime is 1112004461. The reversal of 1112004421 is 1244002111.

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 a cyclic number.

It is not a de Polignac number, because 1112004421 - 25 = 1112004389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112004395 and 1112004404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112004461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50545645 + ... + 50545666.

It is an arithmetic number, because the mean of its divisors is an integer number (303273936).

Almost surely, 21112004421 is an apocalyptic number.

1112004421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1112004421 is a deficient number, since it is larger than the sum of its proper divisors (101091323).

1112004421 is a wasteful number, since it uses less digits than its factorization.

1112004421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101091322.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1112004421 is about 33346.7302894902. The cubic root of 1112004421 is about 1036.0216664496.

Adding to 1112004421 its reverse (1244002111), we get a palindrome (2356006532).

The spelling of 1112004421 in words is "one billion, one hundred twelve million, four thousand, four hundred twenty-one".

Divisors: 1 11 101091311 1112004421