124420354504240 has 40 divisors (see below), whose sum is σ = 289309230323280. Its totient is φ = 49762652580096.

The previous prime is 124420354504219. The next prime is 124420354504249. The reversal of 124420354504240 is 42405453024421.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×124420354504240² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 124420354504193 and 124420354504202.

It is not an unprimeable number, because it can be changed into a prime (124420354504249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85039195 + ... + 86489914.

It is an arithmetic number, because the mean of its divisors is an integer number (7232730758082).

Almost surely, 2^{124420354504240} is an apocalyptic number.

124420354504240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124420354504240 is an abundant number, since it is smaller than the sum of its proper divisors (164888875819040).

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

124420354504240 is a wasteful number, since it uses less digits than its factorization.

124420354504240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171538189 (or 171538183 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 40.

The spelling of 124420354504240 in words is "one hundred twenty-four trillion, four hundred twenty billion, three hundred fifty-four million, five hundred four thousand, two hundred forty".