125122845 has 8 divisors (see below), whose sum is σ = 200196576. Its totient is φ = 66732176.

The previous prime is 125122831. The next prime is 125122853. The reversal of 125122845 is 548221521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125122845 - 2⁷ = 125122717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4170747 + ... + 4170776.

It is an arithmetic number, because the mean of its divisors is an integer number (25024572).

Almost surely, 2^125122845 is an apocalyptic number.

125122845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125122845 is a deficient number, since it is larger than the sum of its proper divisors (75073731).

125122845 is an equidigital number, since it uses as much as digits as its factorization.

125122845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8341531.

The product of its digits is 6400, while the sum is 30.

The square root of 125122845 is about 11185.8323338051. The cubic root of 125122845 is about 500.1637397061.

The spelling of 125122845 in words is "one hundred twenty-five million, one hundred twenty-two thousand, eight hundred forty-five".