1270297028 has 48 divisors (see below), whose sum is σ = 2984763264. Its totient is φ = 456848640.

The previous prime is 1270296959. The next prime is 1270297037. The reversal of 1270297028 is 8207920721.

It is a super-2 number, since 2×1270297028² = 3227309078691265568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1270296982 and 1270297000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154625 + ... + 162632.

It is an arithmetic number, because the mean of its divisors is an integer number (62182568).

Almost surely, 2^1270297028 is an apocalyptic number.

It is an amenable number.

1270297028 is an abundant number, since it is smaller than the sum of its proper divisors (1714466236).

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

1270297028 is a wasteful number, since it uses less digits than its factorization.

1270297028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317292 (or 317290 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 1270297028 is about 35641.2265221050. The cubic root of 1270297028 is about 1083.0165517538.

The spelling of 1270297028 in words is "one billion, two hundred seventy million, two hundred ninety-seven thousand, twenty-eight".