125280938 has 4 divisors (see below), whose sum is σ = 187921410. Its totient is φ = 62640468.

The previous prime is 125280937. The next prime is 125280943. The reversal of 125280938 is 839082521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 839082521 = 43 ⋅19513547.

It can be written as a sum of positive squares in only one way, i.e., 120714169 + 4566769 = 10987^2 + 2137^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125280937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31320233 + ... + 31320236.

Almost surely, 2^125280938 is an apocalyptic number.

125280938 is a deficient number, since it is larger than the sum of its proper divisors (62640472).

125280938 is an equidigital number, since it uses as much as digits as its factorization.

125280938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62640471.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 125280938 is about 11192.8967653597. The cubic root of 125280938 is about 500.3743037235.

The spelling of 125280938 in words is "one hundred twenty-five million, two hundred eighty thousand, nine hundred thirty-eight".