124821099388 has 12 divisors (see below), whose sum is σ = 218559173112. Its totient is φ = 62375621360.

The previous prime is 124821099379. The next prime is 124821099397. The reversal of 124821099388 is 883990128421.

It is an interprime number because it is at equal distance from previous prime (124821099379) and next prime (124821099397).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8724043 + ... + 8738338.

It is an arithmetic number, because the mean of its divisors is an integer number (18213264426).

Almost surely, 2^124821099388 is an apocalyptic number.

It is an amenable number.

124821099388 is a deficient number, since it is larger than the sum of its proper divisors (93738073724).

124821099388 is a wasteful number, since it uses less digits than its factorization.

124821099388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17464172 (or 17464170 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 55.

The spelling of 124821099388 in words is "one hundred twenty-four billion, eight hundred twenty-one million, ninety-nine thousand, three hundred eighty-eight".