125701137 has 6 divisors (see below), whose sum is σ = 181568322. Its totient is φ = 83800752.

The previous prime is 125701133. The next prime is 125701151. The reversal of 125701137 is 731107521.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 96118416 + 29582721 = 9804^2 + 5439^2 .

It is not a de Polignac number, because 125701137 - 2² = 125701133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125701137.

It is not an unprimeable number, because it can be changed into a prime (125701133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6983388 + ... + 6983405.

It is an arithmetic number, because the mean of its divisors is an integer number (30261387).

Almost surely, 2^125701137 is an apocalyptic number.

It is an amenable number.

125701137 is a deficient number, since it is larger than the sum of its proper divisors (55867185).

125701137 is a wasteful number, since it uses less digits than its factorization.

125701137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13966799 (or 13966796 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 27.

The square root of 125701137 is about 11211.6518408306. The cubic root of 125701137 is about 500.9331068732.

Adding to 125701137 its reverse (731107521), we get a palindrome (856808658).

The spelling of 125701137 in words is "one hundred twenty-five million, seven hundred one thousand, one hundred thirty-seven".