123152460 has 96 divisors (see below), whose sum is σ = 361224192. Its totient is φ = 31311360.

The previous prime is 123152459. The next prime is 123152467. The reversal of 123152460 is 64251321.

It is a self number, because there is not a number n which added to its sum of digits gives 123152460.

It is not an unprimeable number, because it can be changed into a prime (123152467) 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 31 ways as a sum of consecutive naturals, for example, 135327 + ... + 136233.

It is an arithmetic number, because the mean of its divisors is an integer number (3762752).

Almost surely, 2^123152460 is an apocalyptic number.

123152460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123152460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180612096).

123152460 is an abundant number, since it is smaller than the sum of its proper divisors (238071732).

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

123152460 is a wasteful number, since it uses less digits than its factorization.

123152460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023 (or 1021 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 123152460 is about 11097.4078054292. The cubic root of 123152460 is about 497.5243761362.

The spelling of 123152460 in words is "one hundred twenty-three million, one hundred fifty-two thousand, four hundred sixty".