125746619 has 2 divisors, whose sum is σ = 125746620. Its totient is φ = 125746618.

The previous prime is 125746597. The next prime is 125746627. The reversal of 125746619 is 916647521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125746619 - 2⁸ = 125746363 is a prime.

It is a super-2 number, since 2×125746619² = 31624424379862322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (125746679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62873309 + 62873310.

It is an arithmetic number, because the mean of its divisors is an integer number (62873310).

Almost surely, 2^125746619 is an apocalyptic number.

125746619 is a deficient number, since it is larger than the sum of its proper divisors (1).

125746619 is an equidigital number, since it uses as much as digits as its factorization.

125746619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 41.

The square root of 125746619 is about 11213.6799936506. The cubic root of 125746619 is about 500.9935165422.

The spelling of 125746619 in words is "one hundred twenty-five million, seven hundred forty-six thousand, six hundred nineteen".