120431137 has 2 divisors, whose sum is σ = 120431138. Its totient is φ = 120431136.

The previous prime is 120431131. The next prime is 120431149. The reversal of 120431137 is 731134021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120209296 + 221841 = 10964^2 + 471^2 .

It is a cyclic number.

It is not a de Polignac number, because 120431137 - 2¹⁹ = 119906849 is a prime.

It is a super-2 number, since 2×120431137² = 29007317518225538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120431131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60215568 + 60215569.

It is an arithmetic number, because the mean of its divisors is an integer number (60215569).

Almost surely, 2^120431137 is an apocalyptic number.

It is an amenable number.

120431137 is a deficient number, since it is larger than the sum of its proper divisors (1).

120431137 is an equidigital number, since it uses as much as digits as its factorization.

It is an anagram of its base 8 representation: 120431137 = (713321041)₈.

120431137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 120431137 is about 10974.1121280949. The cubic root of 120431137 is about 493.8324173268.

Adding to 120431137 its reverse (731134021), we get a palindrome (851565158).

The spelling of 120431137 in words is "one hundred twenty million, four hundred thirty-one thousand, one hundred thirty-seven".