131054121 has 12 divisors (see below), whose sum is σ = 206509680. Its totient is φ = 79426680.

The previous prime is 131054117. The next prime is 131054129. The reversal of 131054121 is 121450131.

It is not a de Polignac number, because 131054121 - 2² = 131054117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131054094 and 131054103.

It is not an unprimeable number, because it can be changed into a prime (131054129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 661791 + ... + 661988.

It is an arithmetic number, because the mean of its divisors is an integer number (17209140).

Almost surely, 2^131054121 is an apocalyptic number.

131054121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

131054121 is a deficient number, since it is larger than the sum of its proper divisors (75455559).

131054121 is a wasteful number, since it uses less digits than its factorization.

131054121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323796 (or 1323793 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 131054121 is about 11447.8871849787. The cubic root of 131054121 is about 507.9452389459.

The spelling of 131054121 in words is "one hundred thirty-one million, fifty-four thousand, one hundred twenty-one".