1258619972 has 12 divisors (see below), whose sum is σ = 2262114540. Its totient is φ = 612301536.

The previous prime is 1258619969. The next prime is 1258619987. The reversal of 1258619972 is 2799168521.

It can be written as a sum of positive squares in 2 ways, for example, as 1115960836 + 142659136 = 33406^2 + 11944^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1258619972.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4251947 + ... + 4252242.

It is an arithmetic number, because the mean of its divisors is an integer number (188509545).

Almost surely, 2^1258619972 is an apocalyptic number.

It is an amenable number.

1258619972 is a deficient number, since it is larger than the sum of its proper divisors (1003494568).

1258619972 is a wasteful number, since it uses less digits than its factorization.

1258619972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8504230 (or 8504228 counting only the distinct ones).

The product of its digits is 544320, while the sum is 50.

The square root of 1258619972 is about 35477.0344307412. The cubic root of 1258619972 is about 1079.6878304449.

The spelling of 1258619972 in words is "one billion, two hundred fifty-eight million, six hundred nineteen thousand, nine hundred seventy-two".