121130131 has 4 divisors (see below), whose sum is σ = 121314600. Its totient is φ = 120945664.

The previous prime is 121130101. The next prime is 121130137. The reversal of 121130131 is 131031121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121130131 - 2⁷ = 121130003 is a prime.

It is a super-2 number, since 2×121130131² = 29345017272154322, which contains 22 as substring.

It is a Duffinian number.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91246 + ... + 92563.

It is an arithmetic number, because the mean of its divisors is an integer number (30328650).

Almost surely, 2^121130131 is an apocalyptic number.

121130131 is a deficient number, since it is larger than the sum of its proper divisors (184469).

121130131 is an equidigital number, since it uses as much as digits as its factorization.

121130131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184468.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 121130131 is about 11005.9134559563. The cubic root of 121130131 is about 494.7859919023.

Adding to 121130131 its reverse (131031121), we get a palindrome (252161252).

The spelling of 121130131 in words is "one hundred twenty-one million, one hundred thirty thousand, one hundred thirty-one".