121115130 has 16 divisors (see below), whose sum is σ = 290676384. Its totient is φ = 32297360.

The previous prime is 121115129. The next prime is 121115131. The reversal of 121115130 is 31511121.

It is an interprime number because it is at equal distance from previous prime (121115129) and next prime (121115131).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (121115131) 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, 2018556 + ... + 2018615.

It is an arithmetic number, because the mean of its divisors is an integer number (18167274).

Almost surely, 2^121115130 is an apocalyptic number.

121115130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121115130 is an abundant number, since it is smaller than the sum of its proper divisors (169561254).

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

121115130 is a wasteful number, since it uses less digits than its factorization.

121115130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4037181.

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 121115130 is about 11005.2319375831. The cubic root of 121115130 is about 494.7655659603.

Adding to 121115130 its reverse (31511121), we get a palindrome (152626251).

The spelling of 121115130 in words is "one hundred twenty-one million, one hundred fifteen thousand, one hundred thirty".