121130130 has 64 divisors (see below), whose sum is σ = 333849600. Its totient is φ = 27817920.

The previous prime is 121130101. The next prime is 121130137. The reversal of 121130130 is 31031121.

It is not an unprimeable number, because it can be changed into a prime (121130137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3390 + ... + 15929.

It is an arithmetic number, because the mean of its divisors is an integer number (5216400).

Almost surely, 2^121130130 is an apocalyptic number.

121130130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121130130 is an abundant number, since it is smaller than the sum of its proper divisors (212719470).

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

121130130 is a wasteful number, since it uses less digits than its factorization.

121130130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19359.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 121130130 is about 11005.9134105262. The cubic root of 121130130 is about 494.7859905407.

Adding to 121130130 its reverse (31031121), we get a palindrome (152161251).

Subtracting from 121130130 its reverse (31031121), we obtain a palindrome (90099009).

The spelling of 121130130 in words is "one hundred twenty-one million, one hundred thirty thousand, one hundred thirty".