125082137 has 4 divisors (see below), whose sum is σ = 126320676. Its totient is φ = 123843600.

The previous prime is 125082131. The next prime is 125082143. The reversal of 125082137 is 731280521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 731280521 = 6133 ⋅119237.

It is an interprime number because it is at equal distance from previous prime (125082131) and next prime (125082143).

It can be written as a sum of positive squares in 2 ways, for example, as 96609241 + 28472896 = 9829^2 + 5336^2 .

It is a cyclic number.

It is not a de Polignac number, because 125082137 - 2⁴ = 125082121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125082131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619118 + ... + 619319.

It is an arithmetic number, because the mean of its divisors is an integer number (31580169).

Almost surely, 2^125082137 is an apocalyptic number.

It is an amenable number.

125082137 is a deficient number, since it is larger than the sum of its proper divisors (1238539).

125082137 is a wasteful number, since it uses less digits than its factorization.

125082137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238538.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 125082137 is about 11184.0125625824. The cubic root of 125082137 is about 500.1094920212.

The spelling of 125082137 in words is "one hundred twenty-five million, eighty-two thousand, one hundred thirty-seven".