102123104 has 24 divisors (see below), whose sum is σ = 205335648. Its totient is φ = 49974400.

The previous prime is 102123101. The next prime is 102123107. The reversal of 102123104 is 401321201.

It is an interprime number because it is at equal distance from previous prime (102123101) and next prime (102123107).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102123101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32447 + ... + 35454.

It is an arithmetic number, because the mean of its divisors is an integer number (8555652).

Almost surely, 2^102123104 is an apocalyptic number.

It is an amenable number.

102123104 is an abundant number, since it is smaller than the sum of its proper divisors (103212544).

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

102123104 is an equidigital number, since it uses as much as digits as its factorization.

102123104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67958 (or 67950 counting only the distinct ones).

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

The square root of 102123104 is about 10105.5976567445. The cubic root of 102123104 is about 467.4207653566.

Adding to 102123104 its reverse (401321201), we get a palindrome (503444305).

The spelling of 102123104 in words is "one hundred two million, one hundred twenty-three thousand, one hundred four".