125305079 has 4 divisors (see below), whose sum is σ = 132675984. Its totient is φ = 117934176.

The previous prime is 125305073. The next prime is 125305097. The reversal of 125305079 is 970503521.

125305079 is nontrivially palindromic in base 2.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125305079 - 2¹² = 125300983 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 (125305073) 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, 3685427 + ... + 3685460.

It is an arithmetic number, because the mean of its divisors is an integer number (33168996).

Almost surely, 2^125305079 is an apocalyptic number.

125305079 is a deficient number, since it is larger than the sum of its proper divisors (7370905).

125305079 is an equidigital number, since it uses as much as digits as its factorization.

125305079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7370904.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 125305079 is about 11193.9751205727. The cubic root of 125305079 is about 500.4064415211.

The spelling of 125305079 in words is "one hundred twenty-five million, three hundred five thousand, seventy-nine".