1304919120 has 40 divisors (see below), whose sum is σ = 4045250016. Its totient is φ = 347978368.

The previous prime is 1304919101. The next prime is 1304919149. The reversal of 1304919120 is 219194031.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 2718342 + ... + 2718821.

Almost surely, 2^1304919120 is an apocalyptic number.

1304919120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304919120 is an abundant number, since it is smaller than the sum of its proper divisors (2740330896).

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

1304919120 is a wasteful number, since it uses less digits than its factorization.

1304919120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5437179 (or 5437173 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 1304919120 is about 36123.6642659628. The cubic root of 1304919120 is about 1092.7677382297.

The spelling of 1304919120 in words is "one billion, three hundred four million, nine hundred nineteen thousand, one hundred twenty".