1267416272 has 20 divisors (see below), whose sum is σ = 2515513476. Its totient is φ = 618251520.

The previous prime is 1267416257. The next prime is 1267416361. The reversal of 1267416272 is 2726147621.

It can be written as a sum of positive squares in 2 ways, for example, as 52475536 + 1214940736 = 7244^2 + 34856^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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, 965363 + ... + 966674.

Almost surely, 2^1267416272 is an apocalyptic number.

It is an amenable number.

1267416272 is a deficient number, since it is larger than the sum of its proper divisors (1248097204).

1267416272 is a wasteful number, since it uses less digits than its factorization.

1267416272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932086 (or 1932080 counting only the distinct ones).

The product of its digits is 56448, while the sum is 38.

The square root of 1267416272 is about 35600.7903283059. The cubic root of 1267416272 is about 1082.1972505042.

The spelling of 1267416272 in words is "one billion, two hundred sixty-seven million, four hundred sixteen thousand, two hundred seventy-two".