125731452007 has 8 divisors (see below), whose sum is σ = 143816651136. Its totient is φ = 107677143672.

The previous prime is 125731451953. The next prime is 125731452023. The reversal of 125731452007 is 700254137521.

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

It is not a de Polignac number, because 125731452007 - 2¹⁹ = 125730927719 is a prime.

It is a super-3 number, since 3×125731452007³ (a number of 34 digits) contains 333 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 (125731452047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7713973 + ... + 7730254.

It is an arithmetic number, because the mean of its divisors is an integer number (17977081392).

Almost surely, 2^125731452007 is an apocalyptic number.

125731452007 is a deficient number, since it is larger than the sum of its proper divisors (18085199129).

125731452007 is a wasteful number, since it uses less digits than its factorization.

125731452007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15445397.

The product of its (nonzero) digits is 58800, while the sum is 37.

Adding to 125731452007 its reverse (700254137521), we get a palindrome (825985589528).

The spelling of 125731452007 in words is "one hundred twenty-five billion, seven hundred thirty-one million, four hundred fifty-two thousand, seven".