121112130 has 32 divisors (see below), whose sum is σ = 293554368. Its totient is φ = 31976000.

The previous prime is 121112129. The next prime is 121112171. The reversal of 121112130 is 31211121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16956 + ... + 23015.

It is an arithmetic number, because the mean of its divisors is an integer number (9173574).

Almost surely, 2^121112130 is an apocalyptic number.

121112130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121112130 is an abundant number, since it is smaller than the sum of its proper divisors (172442238).

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

121112130 is a wasteful number, since it uses less digits than its factorization.

121112130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40082.

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

The square root of 121112130 is about 11005.0956379306. The cubic root of 121112130 is about 494.7614808419.

Adding to 121112130 its reverse (31211121), we get a palindrome (152323251).

It can be divided in two parts, 12111 and 2130, that added together give a palindrome (14241).

The spelling of 121112130 in words is "one hundred twenty-one million, one hundred twelve thousand, one hundred thirty".