1254655564 has 24 divisors (see below), whose sum is σ = 2259924800. Its totient is φ = 609223680.

The previous prime is 1254655547. The next prime is 1254655613. The reversal of 1254655564 is 4655564521.

It is a self number, because there is not a number n which added to its sum of digits gives 1254655564.

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, 13269 + ... + 51820.

Almost surely, 2^1254655564 is an apocalyptic number.

It is an amenable number.

1254655564 is a deficient number, since it is larger than the sum of its proper divisors (1005269236).

1254655564 is a wasteful number, since it uses less digits than its factorization.

1254655564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65233 (or 65231 counting only the distinct ones).

The product of its digits is 720000, while the sum is 43.

The square root of 1254655564 is about 35421.1174866068. The cubic root of 1254655564 is about 1078.5530359584.

The spelling of 1254655564 in words is "one billion, two hundred fifty-four million, six hundred fifty-five thousand, five hundred sixty-four".