125006702247 has 32 divisors (see below), whose sum is σ = 211773685760. Its totient is φ = 71391183840.

The previous prime is 125006702239. The next prime is 125006702263. The reversal of 125006702247 is 742207600521.

It is a happy number.

It is not a de Polignac number, because 125006702247 - 2³ = 125006702239 is a prime.

It is a super-2 number, since 2×125006702247² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125006702287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139098 + ... + 519000.

It is an arithmetic number, because the mean of its divisors is an integer number (6617927680).

Almost surely, 2^125006702247 is an apocalyptic number.

125006702247 is a deficient number, since it is larger than the sum of its proper divisors (86766983513).

125006702247 is a wasteful number, since it uses less digits than its factorization.

125006702247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381660 (or 381654 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The spelling of 125006702247 in words is "one hundred twenty-five billion, six million, seven hundred two thousand, two hundred forty-seven".