1272474244 has 12 divisors (see below), whose sum is σ = 2268845964. Its totient is φ = 624232544.

The previous prime is 1272474239. The next prime is 1272474253. The reversal of 1272474244 is 4424742721.

It can be written as a sum of positive squares in 2 ways, for example, as 1134881344 + 137592900 = 33688^2 + 11730^2 .

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, 3000907 + ... + 3001330.

It is an arithmetic number, because the mean of its divisors is an integer number (189070497).

Almost surely, 2^1272474244 is an apocalyptic number.

It is an amenable number.

1272474244 is a deficient number, since it is larger than the sum of its proper divisors (996371720).

1272474244 is a wasteful number, since it uses less digits than its factorization.

1272474244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6002294 (or 6002292 counting only the distinct ones).

The product of its digits is 100352, while the sum is 37.

The square root of 1272474244 is about 35671.7569514034. The cubic root of 1272474244 is about 1083.6349412742.

It can be divided in two parts, 12724 and 74244, that added together give a palindrome (86968).

The spelling of 1272474244 in words is "one billion, two hundred seventy-two million, four hundred seventy-four thousand, two hundred forty-four".