1304265180 has 24 divisors (see below), whose sum is σ = 3651942672. Its totient is φ = 347804032.

The previous prime is 1304265173. The next prime is 1304265187. The reversal of 1304265180 is 815624031.

It is an interprime number because it is at equal distance from previous prime (1304265173) and next prime (1304265187).

It is a super-2 number, since 2×1304265180² = 3402215319520864800, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304265187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10868817 + ... + 10868936.

It is an arithmetic number, because the mean of its divisors is an integer number (152164278).

Almost surely, 2^1304265180 is an apocalyptic number.

1304265180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304265180 is an abundant number, since it is smaller than the sum of its proper divisors (2347677492).

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

1304265180 is a wasteful number, since it uses less digits than its factorization.

1304265180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21737765 (or 21737763 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1304265180 is about 36114.6117243423. The cubic root of 1304265180 is about 1092.5851665214.

The spelling of 1304265180 in words is "one billion, three hundred four million, two hundred sixty-five thousand, one hundred eighty".