123660102 has 32 divisors (see below), whose sum is σ = 256084992. Its totient is φ = 39783744.

The previous prime is 123660101. The next prime is 123660109. The reversal of 123660102 is 201066321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123660101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17583 + ... + 23589.

It is an arithmetic number, because the mean of its divisors is an integer number (8002656).

Almost surely, 2^123660102 is an apocalyptic number.

123660102 is an abundant number, since it is smaller than the sum of its proper divisors (132424890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123660102 is a wasteful number, since it uses less digits than its factorization.

123660102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6132.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 123660102 is about 11120.2563819365. The cubic root of 123660102 is about 498.2070476622.

The spelling of 123660102 in words is "one hundred twenty-three million, six hundred sixty thousand, one hundred two".