1274315328 has 392 divisors, whose sum is σ = 4477487616. Its totient is φ = 354585600.

The previous prime is 1274315327. The next prime is 1274315353. The reversal of 1274315328 is 8235134721.

1274315328 is a `hidden beast` number, since 12 + 7 + 4 + 315 + 328 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1274315292 and 1274315301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1274315327) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 6671713 + ... + 6671903.

Almost surely, 2^1274315328 is an apocalyptic number.

1274315328 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 1274315328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2238743808).

1274315328 is an abundant number, since it is smaller than the sum of its proper divisors (3203172288).

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

1274315328 is a wasteful number, since it uses less digits than its factorization.

1274315328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 220 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 1274315328 is about 35697.5535296188. The cubic root of 1274315328 is about 1084.1573098136.

The spelling of 1274315328 in words is "one billion, two hundred seventy-four million, three hundred fifteen thousand, three hundred twenty-eight".