1204579628 has 24 divisors (see below), whose sum is σ = 2415639072. Its totient is φ = 514859904.

The previous prime is 1204579619. The next prime is 1204579639. The reversal of 1204579628 is 8269754021.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47225 + ... + 68112.

It is an arithmetic number, because the mean of its divisors is an integer number (100651628).

Almost surely, 2^1204579628 is an apocalyptic number.

It is an amenable number.

1204579628 is an abundant number, since it is smaller than the sum of its proper divisors (1211059444).

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

1204579628 is a wasteful number, since it uses less digits than its factorization.

1204579628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115721 (or 115719 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 1204579628 is about 34707.0544414244. The cubic root of 1204579628 is about 1064.0086811718.

The spelling of 1204579628 in words is "one billion, two hundred four million, five hundred seventy-nine thousand, six hundred twenty-eight".