1272057076 has 12 divisors (see below), whose sum is σ = 2231545540. Its totient is φ = 634472640.

The previous prime is 1272057071. The next prime is 1272057091. The reversal of 1272057076 is 6707502721.

It can be written as a sum of positive squares in 2 ways, for example, as 1206867600 + 65189476 = 34740^2 + 8074^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272057071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387135 + ... + 390406.

Almost surely, 2^1272057076 is an apocalyptic number.

It is an amenable number.

1272057076 is a deficient number, since it is larger than the sum of its proper divisors (959488464).

1272057076 is a wasteful number, since it uses less digits than its factorization.

1272057076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777954 (or 777952 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 37.

The square root of 1272057076 is about 35665.9091570648. The cubic root of 1272057076 is about 1083.5165086921.

Adding to 1272057076 its reverse (6707502721), we get a palindrome (7979559797).

It can be divided in two parts, 12720 and 57076, that added together give a palindrome (69796).

The spelling of 1272057076 in words is "one billion, two hundred seventy-two million, fifty-seven thousand, seventy-six".