125838259 has 4 divisors (see below), whose sum is σ = 126533680. Its totient is φ = 125142840.

The previous prime is 125838241. The next prime is 125838277. The reversal of 125838259 is 952838521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 952838521 = 28517 ⋅33413.

It is an interprime number because it is at equal distance from previous prime (125838241) and next prime (125838277).

It is a cyclic number.

It is not a de Polignac number, because 125838259 - 2⁵ = 125838227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125838239) 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, 347439 + ... + 347800.

It is an arithmetic number, because the mean of its divisors is an integer number (31633420).

Almost surely, 2^125838259 is an apocalyptic number.

125838259 is a deficient number, since it is larger than the sum of its proper divisors (695421).

125838259 is an equidigital number, since it uses as much as digits as its factorization.

125838259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695420.

The product of its digits is 172800, while the sum is 43.

The square root of 125838259 is about 11217.7653300468. The cubic root of 125838259 is about 501.1151895221.

The spelling of 125838259 in words is "one hundred twenty-five million, eight hundred thirty-eight thousand, two hundred fifty-nine".