1227872976 has 40 divisors (see below), whose sum is σ = 3460370784. Its totient is φ = 372082560.

The previous prime is 1227872951. The next prime is 1227872977. The reversal of 1227872976 is 6792787221.

1227872976 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1227872977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1162231 + ... + 1163286.

Almost surely, 2^1227872976 is an apocalyptic number.

1227872976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1227872976 is an abundant number, since it is smaller than the sum of its proper divisors (2232497808).

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

1227872976 is a wasteful number, since it uses less digits than its factorization.

1227872976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325539 (or 2325533 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 51.

The square root of 1227872976 is about 35041.0184783491. The cubic root of 1227872976 is about 1070.8233032327.

The spelling of 1227872976 in words is "one billion, two hundred twenty-seven million, eight hundred seventy-two thousand, nine hundred seventy-six".