120500431 has 2 divisors, whose sum is σ = 120500432. Its totient is φ = 120500430.

The previous prime is 120500407. The next prime is 120500447. The reversal of 120500431 is 134005021.

It is an a-pointer prime, because the next prime (120500447) can be obtained adding 120500431 to its sum of digits (16).

It is a strong prime.

It is an emirp because it is prime and its reverse (134005021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120500431 - 2⁵ = 120500399 is a prime.

It is a super-2 number, since 2×120500431² = 29040707742371522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120500461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60250215 + 60250216.

It is an arithmetic number, because the mean of its divisors is an integer number (60250216).

Almost surely, 2^120500431 is an apocalyptic number.

120500431 is a deficient number, since it is larger than the sum of its proper divisors (1).

120500431 is an equidigital number, since it uses as much as digits as its factorization.

120500431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 120500431 is about 10977.2688315446. The cubic root of 120500431 is about 493.9271133867.

Adding to 120500431 its reverse (134005021), we get a palindrome (254505452).

The spelling of 120500431 in words is "one hundred twenty million, five hundred thousand, four hundred thirty-one".