1272737132 has 12 divisors (see below), whose sum is σ = 2227540056. Its totient is φ = 636297120.

The previous prime is 1272737119. The next prime is 1272737153. The reversal of 1272737132 is 2317372721.

It is a junction number, because it is equal to n+sod(n) for n = 1272737092 and 1272737101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58328 + ... + 77120.

It is an arithmetic number, because the mean of its divisors is an integer number (185628338).

Almost surely, 2^1272737132 is an apocalyptic number.

It is an amenable number.

1272737132 is a deficient number, since it is larger than the sum of its proper divisors (954802924).

1272737132 is a wasteful number, since it uses less digits than its factorization.

1272737132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35728 (or 35726 counting only the distinct ones).

The product of its digits is 24696, while the sum is 35.

The square root of 1272737132 is about 35675.4415810092. The cubic root of 1272737132 is about 1083.7095609919.

The spelling of 1272737132 in words is "one billion, two hundred seventy-two million, seven hundred thirty-seven thousand, one hundred thirty-two".