2421123980 has 48 divisors (see below), whose sum is σ = 5787742464. Its totient is φ = 842128320.

The previous prime is 2421123973. The next prime is 2421123983. The reversal of 2421123980 is 893211242.

It is not an unprimeable number, because it can be changed into a prime (2421123983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234182 + ... + 244301.

It is an arithmetic number, because the mean of its divisors is an integer number (120577968).

Almost surely, 2^2421123980 is an apocalyptic number.

2421123980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2421123980 is an abundant number, since it is smaller than the sum of its proper divisors (3366618484).

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

2421123980 is a wasteful number, since it uses less digits than its factorization.

2421123980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478526 (or 478524 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 2421123980 is about 49204.9182501099. The cubic root of 2421123980 is about 1342.7825117182.

The spelling of 2421123980 in words is "two billion, four hundred twenty-one million, one hundred twenty-three thousand, nine hundred eighty".