102075123 has 16 divisors (see below), whose sum is σ = 144408960. Its totient is φ = 63912576.

The previous prime is 102075101. The next prime is 102075161. The reversal of 102075123 is 321570201.

It is not a de Polignac number, because 102075123 - 2⁶ = 102075059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102075123.

It is not an unprimeable number, because it can be changed into a prime (102075223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26068 + ... + 29726.

It is an arithmetic number, because the mean of its divisors is an integer number (9025560).

Almost surely, 2^102075123 is an apocalyptic number.

102075123 is a deficient number, since it is larger than the sum of its proper divisors (42333837).

102075123 is a wasteful number, since it uses less digits than its factorization.

102075123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4226.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 102075123 is about 10103.2233965205. The cubic root of 102075123 is about 467.3475503571.

The spelling of 102075123 in words is "one hundred two million, seventy-five thousand, one hundred twenty-three".