123495132 has 24 divisors (see below), whose sum is σ = 294287616. Its totient is φ = 40289008.

The previous prime is 123495121. The next prime is 123495139. The reversal of 123495132 is 231594321.

It is a self number, because there is not a number n which added to its sum of digits gives 123495132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123495139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108918 + ... + 110045.

It is an arithmetic number, because the mean of its divisors is an integer number (12261984).

Almost surely, 2^123495132 is an apocalyptic number.

123495132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123495132 is an abundant number, since it is smaller than the sum of its proper divisors (170792484).

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

123495132 is a wasteful number, since it uses less digits than its factorization.

123495132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219017 (or 219015 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 123495132 is about 11112.8363616135. The cubic root of 123495132 is about 497.9854030334.

The spelling of 123495132 in words is "one hundred twenty-three million, four hundred ninety-five thousand, one hundred thirty-two".