120102130 has 16 divisors (see below), whose sum is σ = 218326104. Its totient is φ = 47564800.

The previous prime is 120102121. The next prime is 120102131. The reversal of 120102130 is 31201021.

It can be written as a sum of positive squares in 4 ways, for example, as 96569929 + 23532201 = 9827^2 + 4851^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (120102131) 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, 58447 + ... + 60466.

Almost surely, 2^120102130 is an apocalyptic number.

120102130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120102130 is a deficient number, since it is larger than the sum of its proper divisors (98223974).

120102130 is a wasteful number, since it uses less digits than its factorization.

120102130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119021.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 120102130 is about 10959.1117340777. Note that the first 3 decimals coincide. The cubic root of 120102130 is about 493.3823053203.

Adding to 120102130 its reverse (31201021), we get a palindrome (151303151).

The spelling of 120102130 in words is "one hundred twenty million, one hundred two thousand, one hundred thirty".