130121552 has 20 divisors (see below), whose sum is σ = 275030016. Its totient is φ = 59146080.

The previous prime is 130121543. The next prime is 130121591. The reversal of 130121552 is 255121031.

It is a happy number.

130121552 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 369488 + ... + 369839.

Almost surely, 2^130121552 is an apocalyptic number.

It is an amenable number.

130121552 is an abundant number, since it is smaller than the sum of its proper divisors (144908464).

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

130121552 is a wasteful number, since it uses less digits than its factorization.

130121552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739346 (or 739340 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 130121552 is about 11407.0834133884. The cubic root of 130121552 is about 506.7375393318.

Adding to 130121552 its reverse (255121031), we get a palindrome (385242583).

The spelling of 130121552 in words is "one hundred thirty million, one hundred twenty-one thousand, five hundred fifty-two".