125042740719 has 16 divisors (see below), whose sum is σ = 180450816000. Its totient is φ = 76562693856.

The previous prime is 125042740681. The next prime is 125042740727. The reversal of 125042740719 is 917047240521.

It is not a de Polignac number, because 125042740719 - 2⁷ = 125042740591 is a prime.

It is a super-3 number, since 3×125042740719³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125042740759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8048079 + ... + 8063600.

It is an arithmetic number, because the mean of its divisors is an integer number (11278176000).

Almost surely, 2^125042740719 is an apocalyptic number.

125042740719 is a deficient number, since it is larger than the sum of its proper divisors (55408075281).

125042740719 is a wasteful number, since it uses less digits than its factorization.

125042740719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16111894.

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 125042740719 in words is "one hundred twenty-five billion, forty-two million, seven hundred forty thousand, seven hundred nineteen".