125982079 has 4 divisors (see below), whose sum is σ = 126101880. Its totient is φ = 125862280.

The previous prime is 125982041. The next prime is 125982083. The reversal of 125982079 is 970289521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 970289521 = 809 ⋅1199369.

It is a cyclic number.

It is not a de Polignac number, because 125982079 - 2⁹ = 125981567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125982029) 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, 58309 + ... + 60430.

It is an arithmetic number, because the mean of its divisors is an integer number (31525470).

Almost surely, 2^125982079 is an apocalyptic number.

125982079 is a deficient number, since it is larger than the sum of its proper divisors (119801).

125982079 is a wasteful number, since it uses less digits than its factorization.

125982079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119800.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 125982079 is about 11224.1738671494. The cubic root of 125982079 is about 501.3060242975.

It can be divided in two parts, 1259 and 82079, that added together give a palindrome (83338).

The spelling of 125982079 in words is "one hundred twenty-five million, nine hundred eighty-two thousand, seventy-nine".