125147137 has 2 divisors, whose sum is σ = 125147138. Its totient is φ = 125147136.

The previous prime is 125147131. The next prime is 125147159. The reversal of 125147137 is 731741521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85821696 + 39325441 = 9264^2 + 6271^2 .

It is a cyclic number.

It is not a de Polignac number, because 125147137 - 2¹⁵ = 125114369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125147099 and 125147108.

It is not a weakly prime, because it can be changed into another prime (125147131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62573568 + 62573569.

It is an arithmetic number, because the mean of its divisors is an integer number (62573569).

Almost surely, 2^125147137 is an apocalyptic number.

It is an amenable number.

125147137 is a deficient number, since it is larger than the sum of its proper divisors (1).

125147137 is an equidigital number, since it uses as much as digits as its factorization.

125147137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5880, while the sum is 31.

The square root of 125147137 is about 11186.9181189459. The cubic root of 125147137 is about 500.1961057417.

Adding to 125147137 its reverse (731741521), we get a palindrome (856888658).

The spelling of 125147137 in words is "one hundred twenty-five million, one hundred forty-seven thousand, one hundred thirty-seven".