1113520973 has 8 divisors (see below), whose sum is σ = 1177250400. Its totient is φ = 1050303888.

The previous prime is 1113520963. The next prime is 1113520999. The reversal of 1113520973 is 3790253111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1113520973 - 2⁸ = 1113520717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113520913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123611 + ... + 132312.

It is an arithmetic number, because the mean of its divisors is an integer number (147156300).

Almost surely, 2^1113520973 is an apocalyptic number.

It is an amenable number.

1113520973 is a deficient number, since it is larger than the sum of its proper divisors (63729427).

1113520973 is a wasteful number, since it uses less digits than its factorization.

1113520973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256171.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 1113520973 is about 33369.4616828021. The cubic root of 1113520973 is about 1036.4924280708.

The spelling of 1113520973 in words is "one billion, one hundred thirteen million, five hundred twenty thousand, nine hundred seventy-three".