125042767527 has 8 divisors (see below), whose sum is σ = 166733848960. Its totient is φ = 83356765560.

The previous prime is 125042767523. The next prime is 125042767573. The reversal of 125042767527 is 725767240521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125042767527 - 2² = 125042767523 is a prime.

It is a super-2 number, since 2×125042767527² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125042767523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1212049 + ... + 1311162.

It is an arithmetic number, because the mean of its divisors is an integer number (20841731120).

Almost surely, 2^125042767527 is an apocalyptic number.

125042767527 is a deficient number, since it is larger than the sum of its proper divisors (41691081433).

125042767527 is a wasteful number, since it uses less digits than its factorization.

125042767527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2539733.

The product of its (nonzero) digits is 1646400, while the sum is 48.

The spelling of 125042767527 in words is "one hundred twenty-five billion, forty-two million, seven hundred sixty-seven thousand, five hundred twenty-seven".