125719497 has 24 divisors (see below), whose sum is σ = 183880320. Its totient is φ = 82766880.

The previous prime is 125719493. The next prime is 125719511. The reversal of 125719497 is 794917521.

It is not a de Polignac number, because 125719497 - 2² = 125719493 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125719493) 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 in 23 ways as a sum of consecutive naturals, for example, 453723 + ... + 453999.

It is an arithmetic number, because the mean of its divisors is an integer number (7661680).

Almost surely, 2^125719497 is an apocalyptic number.

It is an amenable number.

125719497 is a deficient number, since it is larger than the sum of its proper divisors (58160823).

125719497 is a wasteful number, since it uses less digits than its factorization.

125719497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733 (or 730 counting only the distinct ones).

The product of its digits is 158760, while the sum is 45.

The square root of 125719497 is about 11212.4706019681. The cubic root of 125719497 is about 500.9574945712.

The spelling of 125719497 in words is "one hundred twenty-five million, seven hundred nineteen thousand, four hundred ninety-seven".