1299080624 has 20 divisors (see below), whose sum is σ = 2526333840. Its totient is φ = 647123520.

The previous prime is 1299080623. The next prime is 1299080659. The reversal of 1299080624 is 4260809921.

It is a super-2 number, since 2×1299080624² = 3375220935304458752, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1299080623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146612 + ... + 155219.

It is an arithmetic number, because the mean of its divisors is an integer number (126316692).

Almost surely, 2^1299080624 is an apocalyptic number.

It is an amenable number.

1299080624 is a deficient number, since it is larger than the sum of its proper divisors (1227253216).

1299080624 is a wasteful number, since it uses less digits than its factorization.

1299080624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302108 (or 302102 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 1299080624 is about 36042.7610485101. The cubic root of 1299080624 is about 1091.1355402264.

The spelling of 1299080624 in words is "one billion, two hundred ninety-nine million, eighty thousand, six hundred twenty-four".