1015494961 has 16 divisors (see below), whose sum is σ = 1114384320. Its totient is φ = 919638720.

The previous prime is 1015494917. The next prime is 1015494967. The reversal of 1015494961 is 1694945101.

1015494961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1015494961 - 2⁷ = 1015494833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1015494967) 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, 505986 + ... + 507988.

It is an arithmetic number, because the mean of its divisors is an integer number (69649020).

Almost surely, 2^1015494961 is an apocalyptic number.

It is an amenable number.

1015494961 is a deficient number, since it is larger than the sum of its proper divisors (98889359).

1015494961 is a wasteful number, since it uses less digits than its factorization.

1015494961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2736.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 1015494961 is about 31866.8316749563. The cubic root of 1015494961 is about 1005.1385372084.

The spelling of 1015494961 in words is "one billion, fifteen million, four hundred ninety-four thousand, nine hundred sixty-one".