125012632007 has 4 divisors (see below), whose sum is σ = 125024935680. Its totient is φ = 125000328336.

The previous prime is 125012632001. The next prime is 125012632033. The reversal of 125012632007 is 700236210521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125012632007 - 2¹² = 125012627911 is a prime.

It is a super-2 number, since 2×125012632007² (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 (125012632001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6136583 + ... + 6156920.

It is an arithmetic number, because the mean of its divisors is an integer number (31256233920).

Almost surely, 2^125012632007 is an apocalyptic number.

125012632007 is a deficient number, since it is larger than the sum of its proper divisors (12303673).

125012632007 is a wasteful number, since it uses less digits than its factorization.

125012632007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12303672.

The product of its (nonzero) digits is 5040, while the sum is 29.

Adding to 125012632007 its reverse (700236210521), we get a palindrome (825248842528).

The spelling of 125012632007 in words is "one hundred twenty-five billion, twelve million, six hundred thirty-two thousand, seven".