1297946972 has 24 divisors (see below), whose sum is σ = 2614577280. Its totient is φ = 552259440.

The previous prime is 1297946917. The next prime is 1297946977. The reversal of 1297946972 is 2796497921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1297946977) 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, 162854 + ... + 170637.

It is an arithmetic number, because the mean of its divisors is an integer number (108940720).

Almost surely, 2^1297946972 is an apocalyptic number.

It is an amenable number.

1297946972 is an abundant number, since it is smaller than the sum of its proper divisors (1316630308).

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

1297946972 is a wasteful number, since it uses less digits than its factorization.

1297946972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333641 (or 333639 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 56.

The square root of 1297946972 is about 36027.0311294173. The cubic root of 1297946972 is about 1090.8180521107.

The spelling of 1297946972 in words is "one billion, two hundred ninety-seven million, nine hundred forty-six thousand, nine hundred seventy-two".