1115231039 has 16 divisors (see below), whose sum is σ = 1228348800. Its totient is φ = 1006218336.

The previous prime is 1115231027. The next prime is 1115231053. The reversal of 1115231039 is 9301325111.

It is a cyclic number.

It is not a de Polignac number, because 1115231039 - 2¹⁶ = 1115165503 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1115230999 and 1115231017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115231099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133232 + ... + 141354.

It is an arithmetic number, because the mean of its divisors is an integer number (76771800).

Almost surely, 2^1115231039 is an apocalyptic number.

1115231039 is a deficient number, since it is larger than the sum of its proper divisors (113117761).

1115231039 is a wasteful number, since it uses less digits than its factorization.

1115231039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8374.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 1115231039 is about 33395.0750710341. The cubic root of 1115231039 is about 1037.0227470416.

The spelling of 1115231039 in words is "one billion, one hundred fifteen million, two hundred thirty-one thousand, thirty-nine".