124887490 has 32 divisors (see below), whose sum is σ = 276675840. Its totient is φ = 39524544.

The previous prime is 124887481. The next prime is 124887533. The reversal of 124887490 is 94788421.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67710 + ... + 69529.

It is an arithmetic number, because the mean of its divisors is an integer number (8646120).

Almost surely, 2^124887490 is an apocalyptic number.

124887490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

124887490 is an abundant number, since it is smaller than the sum of its proper divisors (151788350).

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

124887490 is a wasteful number, since it uses less digits than its factorization.

124887490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137266.

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 124887490 is about 11175.3071546155. The cubic root of 124887490 is about 499.8499416361.

The spelling of 124887490 in words is "one hundred twenty-four million, eight hundred eighty-seven thousand, four hundred ninety".