1254564630 has 48 divisors (see below), whose sum is σ = 3558404304. Its totient is φ = 304136640.

The previous prime is 1254564607. The next prime is 1254564659. The reversal of 1254564630 is 364654521.

1254564630 is a `hidden beast` number, since 1 + 2 + 5 + 4 + 5 + 646 + 3 + 0 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 632629 + ... + 634608.

It is an arithmetic number, because the mean of its divisors is an integer number (74133423).

Almost surely, 2^1254564630 is an apocalyptic number.

1254564630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1254564630 is an abundant number, since it is smaller than the sum of its proper divisors (2303839674).

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

1254564630 is a wasteful number, since it uses less digits than its factorization.

1254564630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267261 (or 1267258 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 1254564630 is about 35419.8338505420. The cubic root of 1254564630 is about 1078.5269784719.

The spelling of 1254564630 in words is "one billion, two hundred fifty-four million, five hundred sixty-four thousand, six hundred thirty".