1270617648 has 20 divisors (see below), whose sum is σ = 3282429048. Its totient is φ = 423539200.

The previous prime is 1270617643. The next prime is 1270617661. The reversal of 1270617648 is 8467160721.

It is a super-2 number, since 2×1270617648² = 3228938414818103808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1270617643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13235553 + ... + 13235648.

Almost surely, 2^1270617648 is an apocalyptic number.

It is an amenable number.

1270617648 is an abundant number, since it is smaller than the sum of its proper divisors (2011811400).

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

1270617648 is a wasteful number, since it uses less digits than its factorization.

1270617648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26471212 (or 26471206 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 1270617648 is about 35645.7241194508. The cubic root of 1270617648 is about 1083.1076610375.

The spelling of 1270617648 in words is "one billion, two hundred seventy million, six hundred seventeen thousand, six hundred forty-eight".