1272616052 has 12 divisors (see below), whose sum is σ = 2231457060. Its totient is φ = 635056896.

The previous prime is 1272616027. The next prime is 1272616063. The reversal of 1272616052 is 2506162721.

It can be written as a sum of positive squares in 2 ways, for example, as 449270416 + 823345636 = 21196^2 + 28694^2 .

It is a congruent number.

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, 310493 + ... + 314564.

It is an arithmetic number, because the mean of its divisors is an integer number (185954755).

Almost surely, 2^1272616052 is an apocalyptic number.

It is an amenable number.

1272616052 is a deficient number, since it is larger than the sum of its proper divisors (958841008).

1272616052 is a wasteful number, since it uses less digits than its factorization.

1272616052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625570 (or 625568 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 1272616052 is about 35673.7445749672. The cubic root of 1272616052 is about 1083.6751941899.

Adding to 1272616052 its reverse (2506162721), we get a palindrome (3778778773).

The spelling of 1272616052 in words is "one billion, two hundred seventy-two million, six hundred sixteen thousand, fifty-two".