1295985372 has 24 divisors (see below), whose sum is σ = 3298872192. Its totient is φ = 392722800.

The previous prime is 1295985371. The next prime is 1295985389. The reversal of 1295985372 is 2735895921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1295985371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4908904 + ... + 4909167.

It is an arithmetic number, because the mean of its divisors is an integer number (137453008).

Almost surely, 2^1295985372 is an apocalyptic number.

1295985372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1295985372 is an abundant number, since it is smaller than the sum of its proper divisors (2002886820).

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

1295985372 is a wasteful number, since it uses less digits than its factorization.

1295985372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9818089 (or 9818087 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 51.

The square root of 1295985372 is about 35999.7968327600. The cubic root of 1295985372 is about 1090.2682537024.

The spelling of 1295985372 in words is "one billion, two hundred ninety-five million, nine hundred eighty-five thousand, three hundred seventy-two".