130121342 has 16 divisors (see below), whose sum is σ = 212241120. Its totient is φ = 59471712.

The previous prime is 130121339. The next prime is 130121359. The reversal of 130121342 is 243121031.

It is a self number, because there is not a number n which added to its sum of digits gives 130121342.

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, 21617 + ... + 26972.

It is an arithmetic number, because the mean of its divisors is an integer number (13265070).

Almost surely, 2^130121342 is an apocalyptic number.

130121342 is a deficient number, since it is larger than the sum of its proper divisors (82119778).

130121342 is a wasteful number, since it uses less digits than its factorization.

130121342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48707.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 130121342 is about 11407.0742085778. The cubic root of 130121342 is about 506.7372667278.

Adding to 130121342 its reverse (243121031), we get a palindrome (373242373).

The spelling of 130121342 in words is "one hundred thirty million, one hundred twenty-one thousand, three hundred forty-two".