125137137 has 8 divisors (see below), whose sum is σ = 167641120. Its totient is φ = 83028960.

The previous prime is 125137121. The next prime is 125137157. The reversal of 125137137 is 731731521.

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

It is not a de Polignac number, because 125137137 - 2⁴ = 125137121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125137157) 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, 98212 + ... + 99477.

It is an arithmetic number, because the mean of its divisors is an integer number (20955140).

Almost surely, 2^125137137 is an apocalyptic number.

It is an amenable number.

125137137 is a deficient number, since it is larger than the sum of its proper divisors (42503983).

125137137 is a wasteful number, since it uses less digits than its factorization.

125137137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197903.

The product of its digits is 4410, while the sum is 30.

The square root of 125137137 is about 11186.4711593961. The cubic root of 125137137 is about 500.1827825063.

Adding to 125137137 its reverse (731731521), we get a palindrome (856868658).

The spelling of 125137137 in words is "one hundred twenty-five million, one hundred thirty-seven thousand, one hundred thirty-seven".