102123122 has 8 divisors (see below), whose sum is σ = 153441372. Its totient is φ = 50976000.

The previous prime is 102123107. The next prime is 102123137. The reversal of 102123122 is 221321201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102123107) and next prime (102123137).

It can be written as a sum of positive squares in 2 ways, for example, as 93296281 + 8826841 = 9659^2 + 2971^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 102123097 and 102123106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41279 + ... + 43682.

Almost surely, 2^102123122 is an apocalyptic number.

102123122 is a deficient number, since it is larger than the sum of its proper divisors (51318250).

102123122 is an equidigital number, since it uses as much as digits as its factorization.

102123122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85564.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 102123122 is about 10105.5985473400. The cubic root of 102123122 is about 467.4207928188.

Adding to 102123122 its reverse (221321201), we get a palindrome (323444323).

The spelling of 102123122 in words is "one hundred two million, one hundred twenty-three thousand, one hundred twenty-two".