125950519 has 2 divisors, whose sum is σ = 125950520. Its totient is φ = 125950518.

The previous prime is 125950499. The next prime is 125950529. The reversal of 125950519 is 915059521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125950519 is a prime.

It is a super-2 number, since 2×125950519² = 31727066472738722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125950529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62975259 + 62975260.

It is an arithmetic number, because the mean of its divisors is an integer number (62975260).

Almost surely, 2^125950519 is an apocalyptic number.

125950519 is a deficient number, since it is larger than the sum of its proper divisors (1).

125950519 is an equidigital number, since it uses as much as digits as its factorization.

125950519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20250, while the sum is 37.

The square root of 125950519 is about 11222.7678849738. The cubic root of 125950519 is about 501.2641597731.

The spelling of 125950519 in words is "one hundred twenty-five million, nine hundred fifty thousand, five hundred nineteen".