1013664125 has 16 divisors (see below), whose sum is σ = 1265958720. Its totient is φ = 810350800.

The previous prime is 1013664103. The next prime is 1013664137. The reversal of 1013664125 is 5214663101.

It is a happy number.

It is not a de Polignac number, because 1013664125 - 2¹⁴ = 1013647741 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290642 + ... + 294108.

It is an arithmetic number, because the mean of its divisors is an integer number (79122420).

Almost surely, 2^1013664125 is an apocalyptic number.

It is an amenable number.

1013664125 is a deficient number, since it is larger than the sum of its proper divisors (252294595).

1013664125 is an equidigital number, since it uses as much as digits as its factorization.

1013664125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5821 (or 5811 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1013664125 is about 31838.0923580544. The cubic root of 1013664125 is about 1004.5341190268.

The spelling of 1013664125 in words is "one billion, thirteen million, six hundred sixty-four thousand, one hundred twenty-five".