1242110000 has 100 divisors (see below), whose sum is σ = 3026181312. Its totient is φ = 493728000.

The previous prime is 1242109987. The next prime is 1242110011. The reversal of 1242110000 is 112421.

It is a tau number, because it is divible by the number of its divisors (100).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2229722 + ... + 2230278.

Almost surely, 2^1242110000 is an apocalyptic number.

1242110000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1242110000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1513090656).

1242110000 is an abundant number, since it is smaller than the sum of its proper divisors (1784071312).

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

1242110000 is an equidigital number, since it uses as much as digits as its factorization.

1242110000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1242110000 is about 35243.5809758316. The cubic root of 1242110000 is about 1074.9460942863.

Adding to 1242110000 its reverse (112421), we get a palindrome (1242222421).

The spelling of 1242110000 in words is "one billion, two hundred forty-two million, one hundred ten thousand".