195124931 has 2 divisors, whose sum is σ = 195124932. Its totient is φ = 195124930.

The previous prime is 195124913. The next prime is 195124957. The reversal of 195124931 is 139421591.

It is a happy number.

Together with previous prime (195124913) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 195124931 - 2¹⁴ = 195108547 is a prime.

It is a super-2 number, since 2×195124931² = 76147477395509522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 195124891 and 195124900.

It is not a weakly prime, because it can be changed into another prime (195124981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97562465 + 97562466.

It is an arithmetic number, because the mean of its divisors is an integer number (97562466).

Almost surely, 2^195124931 is an apocalyptic number.

195124931 is a deficient number, since it is larger than the sum of its proper divisors (1).

195124931 is an equidigital number, since it uses as much as digits as its factorization.

195124931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 35.

The square root of 195124931 is about 13968.7125748939. The cubic root of 195124931 is about 580.0128128363.

The spelling of 195124931 in words is "one hundred ninety-five million, one hundred twenty-four thousand, nine hundred thirty-one".