130121252 has 12 divisors (see below), whose sum is σ = 229451376. Its totient is φ = 64563720.

The previous prime is 130121227. The next prime is 130121287. The reversal of 130121252 is 252121031.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 130121252.

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, 123638 + ... + 124685.

It is an arithmetic number, because the mean of its divisors is an integer number (19120948).

Almost surely, 2^130121252 is an apocalyptic number.

It is an amenable number.

130121252 is a deficient number, since it is larger than the sum of its proper divisors (99330124).

130121252 is a wasteful number, since it uses less digits than its factorization.

130121252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248458 (or 248456 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 130121252 is about 11407.0702636567. The cubic root of 130121252 is about 506.7371498975.

Adding to 130121252 its reverse (252121031), we get a palindrome (382242283).

The spelling of 130121252 in words is "one hundred thirty million, one hundred twenty-one thousand, two hundred fifty-two".