1012918725 has 144 divisors (see below), whose sum is σ = 2272326784. Its totient is φ = 419904000.

The previous prime is 1012918723. The next prime is 1012918729. The reversal of 1012918725 is 5278192101.

It is a happy number.

It is not a de Polignac number, because 1012918725 - 2¹ = 1012918723 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1012918725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012918723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1248570 + ... + 1249380.

Almost surely, 2^1012918725 is an apocalyptic number.

1012918725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1012918725 is an abundant number, since it is smaller than the sum of its proper divisors (1259408059).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1012918725 is a wasteful number, since it uses less digits than its factorization.

1012918725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 36.

The square root of 1012918725 is about 31826.3841018737. The cubic root of 1012918725 is about 1004.2878299034.

The spelling of 1012918725 in words is "one billion, twelve million, nine hundred eighteen thousand, seven hundred twenty-five".