124290090 has 48 divisors (see below), whose sum is σ = 330041088. Its totient is φ = 32437728.

The previous prime is 124290059. The next prime is 124290097. The reversal of 124290090 is 90092421.

It is not an unprimeable number, because it can be changed into a prime (124290097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10462 + ... + 18921.

It is an arithmetic number, because the mean of its divisors is an integer number (6875856).

Almost surely, 2^124290090 is an apocalyptic number.

124290090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

124290090 is an abundant number, since it is smaller than the sum of its proper divisors (205750998).

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

124290090 is a wasteful number, since it uses less digits than its factorization.

124290090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29443 (or 29440 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 124290090 is about 11148.5465420386. The cubic root of 124290090 is about 499.0516557569.

The spelling of 124290090 in words is "one hundred twenty-four million, two hundred ninety thousand, ninety".