1015125963 has 4 divisors (see below), whose sum is σ = 1353501288. Its totient is φ = 676750640.

The previous prime is 1015125931. The next prime is 1015125967. The reversal of 1015125963 is 3695215101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1015125963 - 2⁵ = 1015125931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1015125967) 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, 169187658 + ... + 169187663.

It is an arithmetic number, because the mean of its divisors is an integer number (338375322).

Almost surely, 2^1015125963 is an apocalyptic number.

1015125963 is a deficient number, since it is larger than the sum of its proper divisors (338375325).

1015125963 is an equidigital number, since it uses as much as digits as its factorization.

1015125963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338375324.

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 1015125963 is about 31861.0414613208. The cubic root of 1015125963 is about 1005.0167775224.

The spelling of 1015125963 in words is "one billion, fifteen million, one hundred twenty-five thousand, nine hundred sixty-three".