1223057904 has 40 divisors (see below), whose sum is σ = 3161940480. Its totient is φ = 407379648.

The previous prime is 1223057897. The next prime is 1223057917. The reversal of 1223057904 is 4097503221.

It is a congruent number.

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, 60219 + ... + 77925.

It is an arithmetic number, because the mean of its divisors is an integer number (79048512).

Almost surely, 2^1223057904 is an apocalyptic number.

It is an amenable number.

1223057904 is an abundant number, since it is smaller than the sum of its proper divisors (1938882576).

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

1223057904 is a wasteful number, since it uses less digits than its factorization.

1223057904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19157 (or 19151 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 1223057904 is about 34972.2447663858. The cubic root of 1223057904 is about 1069.4217342992.

The spelling of 1223057904 in words is "one billion, two hundred twenty-three million, fifty-seven thousand, nine hundred four".