122144131 has 4 divisors (see below), whose sum is σ = 123035832. Its totient is φ = 121252432.

The previous prime is 122144129. The next prime is 122144153. The reversal of 122144131 is 131441221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131441221 = 19 ⋅6917959.

It is a cyclic number.

It is not a de Polignac number, because 122144131 - 2¹ = 122144129 is a prime.

It is a super-2 number, since 2×122144131² = 29838377475490322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122144099 and 122144108.

It is not an unprimeable number, because it can be changed into a prime (122144161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445645 + ... + 445918.

It is an arithmetic number, because the mean of its divisors is an integer number (30758958).

Almost surely, 2^122144131 is an apocalyptic number.

122144131 is a deficient number, since it is larger than the sum of its proper divisors (891701).

122144131 is an equidigital number, since it uses as much as digits as its factorization.

122144131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891700.

The product of its digits is 192, while the sum is 19.

The square root of 122144131 is about 11051.8835951163. The cubic root of 122144131 is about 496.1628018192.

Adding to 122144131 its reverse (131441221), we get a palindrome (253585352).

The spelling of 122144131 in words is "one hundred twenty-two million, one hundred forty-four thousand, one hundred thirty-one".