123421050 has 48 divisors (see below), whose sum is σ = 340097280. Its totient is φ = 32911920.

The previous prime is 123421033. The next prime is 123421063. The reversal of 123421050 is 50124321.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44362 + ... + 47061.

It is an arithmetic number, because the mean of its divisors is an integer number (7085360).

Almost surely, 2^123421050 is an apocalyptic number.

123421050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123421050 is an abundant number, since it is smaller than the sum of its proper divisors (216676230).

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

123421050 is a wasteful number, since it uses less digits than its factorization.

123421050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91444 (or 91433 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 123421050 is about 11109.5026891396. The cubic root of 123421050 is about 497.8858063034.

Adding to 123421050 its reverse (50124321), we get a palindrome (173545371).

The spelling of 123421050 in words is "one hundred twenty-three million, four hundred twenty-one thousand, fifty".