125190619 has 2 divisors, whose sum is σ = 125190620. Its totient is φ = 125190618.

The previous prime is 125190613. The next prime is 125190623. The reversal of 125190619 is 916091521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125190619 - 2²³ = 116802011 is a prime.

It is a super-2 number, since 2×125190619² = 31345382171206322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (125190613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62595309 + 62595310.

It is an arithmetic number, because the mean of its divisors is an integer number (62595310).

Almost surely, 2^125190619 is an apocalyptic number.

125190619 is a deficient number, since it is larger than the sum of its proper divisors (1).

125190619 is an equidigital number, since it uses as much as digits as its factorization.

125190619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 34.

The square root of 125190619 is about 11188.8613808555. The cubic root of 125190619 is about 500.2540295828.

The spelling of 125190619 in words is "one hundred twenty-five million, one hundred ninety thousand, six hundred nineteen".