1304130552 has 32 divisors (see below), whose sum is σ = 3290803200. Its totient is φ = 430646624.

The previous prime is 1304130547. The next prime is 1304130557. The reversal of 1304130552 is 2550314031.

It is an interprime number because it is at equal distance from previous prime (1304130547) and next prime (1304130557).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304130557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251352 + ... + 256487.

It is an arithmetic number, because the mean of its divisors is an integer number (102837600).

Almost surely, 2^1304130552 is an apocalyptic number.

1304130552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1304130552 is an abundant number, since it is smaller than the sum of its proper divisors (1986672648).

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

1304130552 is a wasteful number, since it uses less digits than its factorization.

1304130552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507955 (or 507951 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1304130552 is about 36112.7477769277. The cubic root of 1304130552 is about 1092.5475725261.

Adding to 1304130552 its reverse (2550314031), we get a palindrome (3854444583).

The spelling of 1304130552 in words is "one billion, three hundred four million, one hundred thirty thousand, five hundred fifty-two".