125737538 has 4 divisors (see below), whose sum is σ = 188606310. Its totient is φ = 62868768.

The previous prime is 125737537. The next prime is 125737543. The reversal of 125737538 is 835737521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 835737521 = 71 ⋅11770951.

It can be written as a sum of positive squares in only one way, i.e., 92294449 + 33443089 = 9607^2 + 5783^2 .

It is a junction number, because it is equal to n+sod(n) for n = 125737495 and 125737504.

It is not an unprimeable number, because it can be changed into a prime (125737537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31434383 + ... + 31434386.

Almost surely, 2^125737538 is an apocalyptic number.

125737538 is a deficient number, since it is larger than the sum of its proper divisors (62868772).

125737538 is an equidigital number, since it uses as much as digits as its factorization.

125737538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62868771.

The product of its digits is 176400, while the sum is 41.

The square root of 125737538 is about 11213.2750791194. The cubic root of 125737538 is about 500.9814562268.

The spelling of 125737538 in words is "one hundred twenty-five million, seven hundred thirty-seven thousand, five hundred thirty-eight".