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1038121 = 7148303
BaseRepresentation
bin11111101011100101001
31221202000221
43331130221
5231204441
634130041
711552410
oct3753451
91852027
101038121
11649a57
12420921
132a4696
141d0477
151578d1
hexfd729

1038121 has 4 divisors (see below), whose sum is σ = 1186432. Its totient is φ = 889812.

The previous prime is 1038119. The next prime is 1038127. The reversal of 1038121 is 1218301.

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 1038121 - 21 = 1038119 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

1038121 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1038095 and 1038104.

It is not an unprimeable number, because it can be changed into a prime (1038127) 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, 74145 + ... + 74158.

It is an arithmetic number, because the mean of its divisors is an integer number (296608).

21038121 is an apocalyptic number.

It is an amenable number.

1038121 is a deficient number, since it is larger than the sum of its proper divisors (148311).

1038121 is an equidigital number, since it uses as much as digits as its factorization.

1038121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148310.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1038121 is about 1018.8822306822. The cubic root of 1038121 is about 101.2548867224.

The spelling of 1038121 in words is "one million, thirty-eight thousand, one hundred twenty-one".

Divisors: 1 7 148303 1038121