1274992488 has 480 divisors, whose sum is σ = 4727479680. Its totient is φ = 313632000.

The previous prime is 1274992487. The next prime is 1274992493. The reversal of 1274992488 is 8842994721.

1274992488 is a `hidden beast` number, since 1 + 2 + 74 + 9 + 92 + 488 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1274992487) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 12623638 + ... + 12623738.

It is an arithmetic number, because the mean of its divisors is an integer number (9848916).

Almost surely, 2^1274992488 is an apocalyptic number.

1274992488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1274992488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2363739840).

1274992488 is an abundant number, since it is smaller than the sum of its proper divisors (3452487192).

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

1274992488 is a wasteful number, since it uses less digits than its factorization.

1274992488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 147 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 1274992488 is about 35707.0369535194. The cubic root of 1274992488 is about 1084.3493130397.

The spelling of 1274992488 in words is "one billion, two hundred seventy-four million, nine hundred ninety-two thousand, four hundred eighty-eight".