1274956380 has 72 divisors (see below), whose sum is σ = 3873647232. Its totient is φ = 339436416.

The previous prime is 1274956363. The next prime is 1274956381. The reversal of 1274956380 is 836594721.

1274956380 is a `hidden beast` number, since 1 + 2 + 7 + 4 + 9 + 5 + 638 + 0 = 666.

1274956380 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

1274956380 is strictly pandigital in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1274956381) 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, 112117 + ... + 122963.

It is an arithmetic number, because the mean of its divisors is an integer number (53800656).

It is a 1-persistent number, because it is pandigital, but 2⋅1274956380 = 2549912760 is not.

Almost surely, 2^1274956380 is an apocalyptic number.

1274956380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1274956380 is an abundant number, since it is smaller than the sum of its proper divisors (2598690852).

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

1274956380 is a wasteful number, since it uses less digits than its factorization.

1274956380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11515 (or 11510 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 1274956380 is about 35706.5313353174. The cubic root of 1274956380 is about 1084.3390766253.

The spelling of 1274956380 in words is "one billion, two hundred seventy-four million, nine hundred fifty-six thousand, three hundred eighty".