1272004196 has 6 divisors (see below), whose sum is σ = 2226007350. Its totient is φ = 636002096.

The previous prime is 1272004171. The next prime is 1272004207. The reversal of 1272004196 is 6914002721.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 928420900 + 343583296 = 30470^2 + 18536^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159000521 + ... + 159000528.

It is an arithmetic number, because the mean of its divisors is an integer number (371001225).

Almost surely, 2^1272004196 is an apocalyptic number.

It is an amenable number.

1272004196 is a deficient number, since it is larger than the sum of its proper divisors (954003154).

1272004196 is a wasteful number, since it uses less digits than its factorization.

1272004196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318001053 (or 318001051 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1272004196 is about 35665.1678252045. The cubic root of 1272004196 is about 1083.5014943902.

The spelling of 1272004196 in words is "one billion, two hundred seventy-two million, four thousand, one hundred ninety-six".