1253861602 has 16 divisors (see below), whose sum is σ = 2166405120. Its totient is φ = 533137248.

The previous prime is 1253861573. The next prime is 1253861611. The reversal of 1253861602 is 2061683521.

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, 350827 + ... + 354382.

It is an arithmetic number, because the mean of its divisors is an integer number (135400320).

Almost surely, 2^1253861602 is an apocalyptic number.

1253861602 is a deficient number, since it is larger than the sum of its proper divisors (912543518).

1253861602 is a wasteful number, since it uses less digits than its factorization.

1253861602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705345.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 1253861602 is about 35409.9082461392. The cubic root of 1253861602 is about 1078.3254805916.

The spelling of 1253861602 in words is "one billion, two hundred fifty-three million, eight hundred sixty-one thousand, six hundred two".