123441131 has 16 divisors (see below), whose sum is σ = 144205920. Its totient is φ = 104417280.

The previous prime is 123441127. The next prime is 123441167. The reversal of 123441131 is 131144321.

It is not a de Polignac number, because 123441131 - 2² = 123441127 is a prime.

It is a super-2 number, since 2×123441131² = 30475425645118322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123441181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12935 + ... + 20351.

It is an arithmetic number, because the mean of its divisors is an integer number (9012870).

Almost surely, 2^123441131 is an apocalyptic number.

123441131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

123441131 is a deficient number, since it is larger than the sum of its proper divisors (20764789).

123441131 is a wasteful number, since it uses less digits than its factorization.

123441131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7534.

The product of its digits is 288, while the sum is 20.

The square root of 123441131 is about 11110.4064282095. The cubic root of 123441131 is about 497.9128073774.

Adding to 123441131 its reverse (131144321), we get a palindrome (254585452).

The spelling of 123441131 in words is "one hundred twenty-three million, four hundred forty-one thousand, one hundred thirty-one".