125229079 has 4 divisors (see below), whose sum is σ = 125656776. Its totient is φ = 124801384.

The previous prime is 125229077. The next prime is 125229101. The reversal of 125229079 is 970922521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 970922521 = 7411 ⋅131011.

It is a cyclic number.

It is not a de Polignac number, because 125229079 - 2¹ = 125229077 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 (125229073) 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, 213409 + ... + 213994.

It is an arithmetic number, because the mean of its divisors is an integer number (31414194).

Almost surely, 2^125229079 is an apocalyptic number.

125229079 is a deficient number, since it is larger than the sum of its proper divisors (427697).

125229079 is an equidigital number, since it uses as much as digits as its factorization.

125229079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427696.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 125229079 is about 11190.5799224169. The cubic root of 125229079 is about 500.3052522708.

The spelling of 125229079 in words is "one hundred twenty-five million, two hundred twenty-nine thousand, seventy-nine".