1272734075 has 6 divisors (see below), whose sum is σ = 1578190284. Its totient is φ = 1018187240.

The previous prime is 1272734069. The next prime is 1272734093. The reversal of 1272734075 is 5704372721.

It is not a de Polignac number, because 1272734075 - 2²² = 1268539771 is a prime.

It is a super-2 number, since 2×1272734075² = 3239704051332211250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25454657 + ... + 25454706.

It is an arithmetic number, because the mean of its divisors is an integer number (263031714).

Almost surely, 2^1272734075 is an apocalyptic number.

1272734075 is a deficient number, since it is larger than the sum of its proper divisors (305456209).

1272734075 is an equidigital number, since it uses as much as digits as its factorization.

1272734075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50909373 (or 50909368 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 1272734075 is about 35675.3987363842. The cubic root of 1272734075 is about 1083.7086933336.

The spelling of 1272734075 in words is "one billion, two hundred seventy-two million, seven hundred thirty-four thousand, seventy-five".