1242108800 has 48 divisors (see below), whose sum is σ = 3068404800. Its totient is φ = 496842240.

The previous prime is 1242108739. The next prime is 1242108811. The reversal of 1242108800 is 88012421.

It is a self number, because there is not a number n which added to its sum of digits gives 1242108800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 190880 + ... + 197279.

It is an arithmetic number, because the mean of its divisors is an integer number (63925100).

Almost surely, 2^1242108800 is an apocalyptic number.

1242108800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1242108800 is an abundant number, since it is smaller than the sum of its proper divisors (1826296000).

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

1242108800 is an equidigital number, since it uses as much as digits as its factorization.

1242108800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388183 (or 388166 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 1242108800 is about 35243.5639514508. The cubic root of 1242108800 is about 1074.9457481184.

The spelling of 1242108800 in words is "one billion, two hundred forty-two million, one hundred eight thousand, eight hundred".