1272740925456 has 240 divisors, whose sum is σ = 4782420988800. Its totient is φ = 305152634880.

The previous prime is 1272740925433. The next prime is 1272740925461. The reversal of 1272740925456 is 6545290472721.

It is a happy number.

1272740925456 is a `hidden beast` number, since 1 + 2 + 7 + 2 + 7 + 4 + 0 + 92 + 545 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4270681 + ... + 4558968.

It is an arithmetic number, because the mean of its divisors is an integer number (19926754120).

Almost surely, 2^{1272740925456} is an apocalyptic number.

1272740925456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1272740925456 is an abundant number, since it is smaller than the sum of its proper divisors (3509680063344).

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

1272740925456 is a wasteful number, since it uses less digits than its factorization.

1272740925456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8829694 (or 8829685 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 54.

The spelling of 1272740925456 in words is "one trillion, two hundred seventy-two billion, seven hundred forty million, nine hundred twenty-five thousand, four hundred fifty-six".