125322137 has 8 divisors (see below), whose sum is σ = 129797640. Its totient is φ = 120856960.

The previous prime is 125322133. The next prime is 125322139. The reversal of 125322137 is 731223521.

It can be written as a sum of positive squares in 4 ways, for example, as 8271376 + 117050761 = 2876^2 + 10819^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 125322137 - 2² = 125322133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125322133) 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, 28733 + ... + 32805.

It is an arithmetic number, because the mean of its divisors is an integer number (16224705).

Almost surely, 2^125322137 is an apocalyptic number.

It is an amenable number.

125322137 is a deficient number, since it is larger than the sum of its proper divisors (4475503).

125322137 is a wasteful number, since it uses less digits than its factorization.

125322137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5163.

The product of its digits is 2520, while the sum is 26.

The square root of 125322137 is about 11194.7370223690. The cubic root of 125322137 is about 500.4291475594.

Adding to 125322137 its reverse (731223521), we get a palindrome (856545658).

The spelling of 125322137 in words is "one hundred twenty-five million, three hundred twenty-two thousand, one hundred thirty-seven".