123052115 has 4 divisors (see below), whose sum is σ = 147662544. Its totient is φ = 98441688.

The previous prime is 123052091. The next prime is 123052117. The reversal of 123052115 is 511250321.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123052115 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123052117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12305207 + ... + 12305216.

It is an arithmetic number, because the mean of its divisors is an integer number (36915636).

Almost surely, 2^123052115 is an apocalyptic number.

123052115 is a deficient number, since it is larger than the sum of its proper divisors (24610429).

123052115 is an equidigital number, since it uses as much as digits as its factorization.

123052115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24610428.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 123052115 is about 11092.8857832396. The cubic root of 123052115 is about 497.3892112923.

The spelling of 123052115 in words is "one hundred twenty-three million, fifty-two thousand, one hundred fifteen".