124820890 has 12 divisors (see below), whose sum is σ = 224741214. Its totient is φ = 49914224.

The previous prime is 124820881. The next prime is 124820903. The reversal of 124820890 is 98028421.

It can be written as a sum of positive squares in 3 ways, for example, as 123054649 + 1766241 = 11093^2 + 1329^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33564 + ... + 37096.

Almost surely, 2^124820890 is an apocalyptic number.

124820890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

124820890 is a deficient number, since it is larger than the sum of its proper divisors (99920324).

124820890 is an frugal number, since it uses more digits than its factorization.

124820890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7073 (or 3540 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 124820890 is about 11172.3269733749. The cubic root of 124820890 is about 499.7610725122.

The spelling of 124820890 in words is "one hundred twenty-four million, eight hundred twenty thousand, eight hundred ninety".