1272577134 has 16 divisors (see below), whose sum is σ = 2555060688. Its totient is φ = 422541312.

The previous prime is 1272577133. The next prime is 1272577139. The reversal of 1272577134 is 4317752721.

It is a junction number, because it is equal to n+sod(n) for n = 1272577092 and 1272577101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272577133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411097 + ... + 414180.

It is an arithmetic number, because the mean of its divisors is an integer number (159691293).

Almost surely, 2^1272577134 is an apocalyptic number.

1272577134 is an abundant number, since it is smaller than the sum of its proper divisors (1282483554).

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

1272577134 is a wasteful number, since it uses less digits than its factorization.

1272577134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825539.

The product of its digits is 82320, while the sum is 39.

The square root of 1272577134 is about 35673.1990996042. The cubic root of 1272577134 is about 1083.6641474171.

The spelling of 1272577134 in words is "one billion, two hundred seventy-two million, five hundred seventy-seven thousand, one hundred thirty-four".