102123132 has 24 divisors (see below), whose sum is σ = 239003856. Its totient is φ = 33938688.

The previous prime is 102123107. The next prime is 102123137. The reversal of 102123132 is 231321201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102123137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8583 + ... + 16670.

It is an arithmetic number, because the mean of its divisors is an integer number (9958494).

Almost surely, 2^102123132 is an apocalyptic number.

102123132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102123132 is an abundant number, since it is smaller than the sum of its proper divisors (136880724).

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

102123132 is a wasteful number, since it uses less digits than its factorization.

102123132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25597 (or 25595 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 102123132 is about 10105.5990421152. The cubic root of 102123132 is about 467.4208080756.

Adding to 102123132 its reverse (231321201), we get a palindrome (333444333).

The spelling of 102123132 in words is "one hundred two million, one hundred twenty-three thousand, one hundred thirty-two".