1270249474 has 64 divisors (see below), whose sum is σ = 2242598400. Its totient is φ = 534707712.

The previous prime is 1270249471. The next prime is 1270249501. The reversal of 1270249474 is 4749420721.

It is a happy number.

It is a super-2 number, since 2×1270249474² = 3227067452394553352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1270249471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1543027 + ... + 1543849.

It is an arithmetic number, because the mean of its divisors is an integer number (35040600).

Almost surely, 2^1270249474 is an apocalyptic number.

1270249474 is a deficient number, since it is larger than the sum of its proper divisors (972348926).

1270249474 is a wasteful number, since it uses less digits than its factorization.

1270249474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 1270249474 is about 35640.5593951610. The cubic root of 1270249474 is about 1083.0030372212.

The spelling of 1270249474 in words is "one billion, two hundred seventy million, two hundred forty-nine thousand, four hundred seventy-four".