123705150 has 24 divisors (see below), whose sum is σ = 306789144. Its totient is φ = 32988000.

The previous prime is 123705139. The next prime is 123705157. The reversal of 123705150 is 51507321.

It is a self number, because there is not a number n which added to its sum of digits gives 123705150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123705157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 412201 + ... + 412500.

It is an arithmetic number, because the mean of its divisors is an integer number (12782881).

Almost surely, 2^123705150 is an apocalyptic number.

123705150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123705150 is an abundant number, since it is smaller than the sum of its proper divisors (183083994).

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

123705150 is a wasteful number, since it uses less digits than its factorization.

123705150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824716 (or 824711 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 123705150 is about 11122.2816903727. The cubic root of 123705150 is about 498.2675374133.

The spelling of 123705150 in words is "one hundred twenty-three million, seven hundred five thousand, one hundred fifty".