1274122928 has 80 divisors (see below), whose sum is σ = 2706493440. Its totient is φ = 577559808.

The previous prime is 1274122901. The next prime is 1274122933. The reversal of 1274122928 is 8292214721.

It is a junction number, because it is equal to n+sod(n) for n = 1274122891 and 1274122900.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3671651 + ... + 3671997.

It is an arithmetic number, because the mean of its divisors is an integer number (33831168).

Almost surely, 2^1274122928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1274122928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1353246720).

1274122928 is an abundant number, since it is smaller than the sum of its proper divisors (1432370512).

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

1274122928 is a wasteful number, since it uses less digits than its factorization.

1274122928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634 (or 628 counting only the distinct ones).

The product of its digits is 32256, while the sum is 38.

The square root of 1274122928 is about 35694.8585653452. The cubic root of 1274122928 is about 1084.1027439458.

The spelling of 1274122928 in words is "one billion, two hundred seventy-four million, one hundred twenty-two thousand, nine hundred twenty-eight".