124087461990 has 64 divisors (see below), whose sum is σ = 322661408256. Its totient is φ = 30419246592.

The previous prime is 124087461961. The next prime is 124087461991. The reversal of 124087461990 is 99164780421.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124087461991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2807242 + ... + 2851101.

It is an arithmetic number, because the mean of its divisors is an integer number (5041584504).

Almost surely, 2^124087461990 is an apocalyptic number.

124087461990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

124087461990 is an abundant number, since it is smaller than the sum of its proper divisors (198573946266).

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

124087461990 is a wasteful number, since it uses less digits than its factorization.

124087461990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5658413.

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 124087461990 in words is "one hundred twenty-four billion, eighty-seven million, four hundred sixty-one thousand, nine hundred ninety".