123102099 has 12 divisors (see below), whose sum is σ = 184400216. Its totient is φ = 82067904.

The previous prime is 123102097. The next prime is 123102103. The reversal of 123102099 is 990201321.

It is not a de Polignac number, because 123102099 - 2¹ = 123102097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123102097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 253054 + ... + 253539.

Almost surely, 2^123102099 is an apocalyptic number.

123102099 is a deficient number, since it is larger than the sum of its proper divisors (61298117).

123102099 is an frugal number, since it uses more digits than its factorization.

123102099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506608 (or 506596 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 123102099 is about 11095.1385300049. The cubic root of 123102099 is about 497.4565489858.

The spelling of 123102099 in words is "one hundred twenty-three million, one hundred two thousand, ninety-nine".