123080550 has 24 divisors (see below), whose sum is σ = 305240136. Its totient is φ = 32821440.

The previous prime is 123080533. The next prime is 123080557. The reversal of 123080550 is 55080321.

It is a self number, because there is not a number n which added to its sum of digits gives 123080550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123080557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 410119 + ... + 410418.

It is an arithmetic number, because the mean of its divisors is an integer number (12718339).

Almost surely, 2^123080550 is an apocalyptic number.

123080550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123080550 is an abundant number, since it is smaller than the sum of its proper divisors (182159586).

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

123080550 is a wasteful number, since it uses less digits than its factorization.

123080550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820552 (or 820547 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 123080550 is about 11094.1673865144. The cubic root of 123080550 is about 497.4275207325.

The spelling of 123080550 in words is "one hundred twenty-three million, eighty thousand, five hundred fifty".