113021004 has 24 divisors (see below), whose sum is σ = 272810160. Its totient is φ = 36374464.

The previous prime is 113020991. The next prime is 113021021. The reversal of 113021004 is 400120311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162039 + ... + 162734.

It is an arithmetic number, because the mean of its divisors is an integer number (11367090).

Almost surely, 2^113021004 is an apocalyptic number.

It is an amenable number.

113021004 is an abundant number, since it is smaller than the sum of its proper divisors (159789156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113021004 is a wasteful number, since it uses less digits than its factorization.

113021004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324809 (or 324807 counting only the distinct ones).

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

The square root of 113021004 is about 10631.1337118860. The cubic root of 113021004 is about 483.4887653360.

Adding to 113021004 its reverse (400120311), we get a palindrome (513141315).

The spelling of 113021004 in words is "one hundred thirteen million, twenty-one thousand, four".