125122115 has 8 divisors (see below), whose sum is σ = 150400800. Its totient is φ = 99928192.

The previous prime is 125122111. The next prime is 125122117. The reversal of 125122115 is 511221521.

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 125122115 - 2² = 125122111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125122111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17894 + ... + 23883.

It is an arithmetic number, because the mean of its divisors is an integer number (18800100).

Almost surely, 2^125122115 is an apocalyptic number.

125122115 is a deficient number, since it is larger than the sum of its proper divisors (25278685).

125122115 is an equidigital number, since it uses as much as digits as its factorization.

125122115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42381.

The product of its digits is 200, while the sum is 20.

The square root of 125122115 is about 11185.7997031951. The cubic root of 125122115 is about 500.1627670081.

Adding to 125122115 its reverse (511221521), we get a palindrome (636343636).

The spelling of 125122115 in words is "one hundred twenty-five million, one hundred twenty-two thousand, one hundred fifteen".