1270534540 has 48 divisors (see below), whose sum is σ = 2915416224. Its totient is φ = 461260800.

The previous prime is 1270534537. The next prime is 1270534553. The reversal of 1270534540 is 454350721.

It is a super-2 number, since 2×1270534540² = 3228516034666023200, which contains 22 as substring.

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, 141052 + ... + 149788.

It is an arithmetic number, because the mean of its divisors is an integer number (60737838).

Almost surely, 2^1270534540 is an apocalyptic number.

1270534540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1270534540 is an abundant number, since it is smaller than the sum of its proper divisors (1644881684).

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

1270534540 is a wasteful number, since it uses less digits than its factorization.

1270534540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9418 (or 9416 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 1270534540 is about 35644.5583504691. The cubic root of 1270534540 is about 1083.0840460462.

The spelling of 1270534540 in words is "one billion, two hundred seventy million, five hundred thirty-four thousand, five hundred forty".