125499497 has 2 divisors, whose sum is σ = 125499498. Its totient is φ = 125499496.

The previous prime is 125499487. The next prime is 125499511. The reversal of 125499497 is 794994521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78659161 + 46840336 = 8869^2 + 6844^2 .

It is a cyclic number.

It is not a de Polignac number, because 125499497 - 2⁴ = 125499481 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (125499487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62749748 + 62749749.

It is an arithmetic number, because the mean of its divisors is an integer number (62749749).

Almost surely, 2^125499497 is an apocalyptic number.

It is an amenable number.

125499497 is a deficient number, since it is larger than the sum of its proper divisors (1).

125499497 is an equidigital number, since it uses as much as digits as its factorization.

125499497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 50.

The square root of 125499497 is about 11202.6558011929. The cubic root of 125499497 is about 500.6651108628.

The spelling of 125499497 in words is "one hundred twenty-five million, four hundred ninety-nine thousand, four hundred ninety-seven".