1272134374 has 12 divisors (see below), whose sum is σ = 2219744844. Its totient is φ = 545200404.

The previous prime is 1272134363. The next prime is 1272134401. The reversal of 1272134374 is 4734312721.

It is a congruent 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, 6490384 + ... + 6490579.

It is an arithmetic number, because the mean of its divisors is an integer number (184978737).

Almost surely, 2^1272134374 is an apocalyptic number.

1272134374 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1272134374 is a deficient number, since it is larger than the sum of its proper divisors (947610470).

1272134374 is a wasteful number, since it uses less digits than its factorization.

1272134374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12980979 (or 12980972 counting only the distinct ones).

The product of its digits is 28224, while the sum is 34.

The square root of 1272134374 is about 35666.9927804406. The cubic root of 1272134374 is about 1083.5384552866.

The spelling of 1272134374 in words is "one billion, two hundred seventy-two million, one hundred thirty-four thousand, three hundred seventy-four".