1272296376 has 256 divisors, whose sum is σ = 3962649600. Its totient is φ = 375777792.

The previous prime is 1272296369. The next prime is 1272296383. The reversal of 1272296376 is 6736922721.

1272296376 is a `hidden beast` number, since 1 + 2 + 7 + 2 + 2 + 9 + 637 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (1272296369) and next prime (1272296383).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12352341 + ... + 12352443.

It is an arithmetic number, because the mean of its divisors is an integer number (15479100).

Almost surely, 2^1272296376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1272296376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1981324800).

1272296376 is an abundant number, since it is smaller than the sum of its proper divisors (2690353224).

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

1272296376 is a wasteful number, since it uses less digits than its factorization.

1272296376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 257 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 1272296376 is about 35669.2637434528. The cubic root of 1272296376 is about 1083.5844483174.

The spelling of 1272296376 in words is "one billion, two hundred seventy-two million, two hundred ninety-six thousand, three hundred seventy-six".