1273474320 has 40 divisors (see below), whose sum is σ = 3947771136. Its totient is φ = 339593088.

The previous prime is 1273474291. The next prime is 1273474331. The reversal of 1273474320 is 234743721.

1273474320 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2652832 + ... + 2653311.

Almost surely, 2^1273474320 is an apocalyptic number.

1273474320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1273474320 is an abundant number, since it is smaller than the sum of its proper divisors (2674296816).

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

1273474320 is a wasteful number, since it uses less digits than its factorization.

1273474320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5306159 (or 5306153 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 1273474320 is about 35685.7719546600. The cubic root of 1273474320 is about 1083.9187540947.

The spelling of 1273474320 in words is "one billion, two hundred seventy-three million, four hundred seventy-four thousand, three hundred twenty".