1297895852 has 72 divisors (see below), whose sum is σ = 2653350000. Its totient is φ = 553512960.

The previous prime is 1297895849. The next prime is 1297895869. The reversal of 1297895852 is 2585987921.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1038524 + ... + 1039772.

Almost surely, 2^1297895852 is an apocalyptic number.

It is an amenable number.

1297895852 is an abundant number, since it is smaller than the sum of its proper divisors (1355454148).

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

1297895852 is a wasteful number, since it uses less digits than its factorization.

1297895852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407 (or 1394 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 56.

The square root of 1297895852 is about 36026.3216551454. The cubic root of 1297895852 is about 1090.8037311993.

The spelling of 1297895852 in words is "one billion, two hundred ninety-seven million, eight hundred ninety-five thousand, eight hundred fifty-two".