1272672360 has 96 divisors (see below), whose sum is σ = 4379511240. Its totient is φ = 319414272.

The previous prime is 1272672347. The next prime is 1272672361. The reversal of 1272672360 is 632762721.

It is a happy number.

1272672360 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1022336676 + 250335684 = 31974^2 + 15822^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1272672361) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97857 + ... + 110096.

Almost surely, 2^1272672360 is an apocalyptic number.

1272672360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1272672360 is an abundant number, since it is smaller than the sum of its proper divisors (3106838880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1272672360 is a wasteful number, since it uses less digits than its factorization.

1272672360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207987 (or 207980 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 1272672360 is about 35674.5337741084. The cubic root of 1272672360 is about 1083.6911766702.

The spelling of 1272672360 in words is "one billion, two hundred seventy-two million, six hundred seventy-two thousand, three hundred sixty".