123501132 has 24 divisors (see below), whose sum is σ = 320188400. Its totient is φ = 41167008.

The previous prime is 123501127. The next prime is 123501137. The reversal of 123501132 is 231105321.

It is an interprime number because it is at equal distance from previous prime (123501127) and next prime (123501137).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (123501137) 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, 571657 + ... + 571872.

Almost surely, 2^123501132 is an apocalyptic number.

123501132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123501132 is an abundant number, since it is smaller than the sum of its proper divisors (196687268).

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

123501132 is a wasteful number, since it uses less digits than its factorization.

123501132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143542 (or 1143534 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 123501132 is about 11113.1063164176. The cubic root of 123501132 is about 497.9934677616.

Adding to 123501132 its reverse (231105321), we get a palindrome (354606453).

The spelling of 123501132 in words is "one hundred twenty-three million, five hundred one thousand, one hundred thirty-two".