1297086472 has 32 divisors (see below), whose sum is σ = 2768489280. Its totient is φ = 563949760.

The previous prime is 1297086409. The next prime is 1297086473. The reversal of 1297086472 is 2746807921.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (1297086473) 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, 318403 + ... + 322450.

It is an arithmetic number, because the mean of its divisors is an integer number (86515290).

Almost surely, 2^1297086472 is an apocalyptic number.

It is an amenable number.

1297086472 is an abundant number, since it is smaller than the sum of its proper divisors (1471402808).

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

1297086472 is a wasteful number, since it uses less digits than its factorization.

1297086472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640893 (or 640889 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 1297086472 is about 36015.0867276479. The cubic root of 1297086472 is about 1090.5769389110.

The spelling of 1297086472 in words is "one billion, two hundred ninety-seven million, eighty-six thousand, four hundred seventy-two".