1242442110 has 256 divisors, whose sum is σ = 4093286400. Its totient is φ = 233570304.

The previous prime is 1242442109. The next prime is 1242442111. The reversal of 1242442110 is 112442421.

1242442110 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1242442109) and next prime (1242442111).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242442111) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 881086 + ... + 882494.

It is an arithmetic number, because the mean of its divisors is an integer number (15989400).

Almost surely, 2^1242442110 is an apocalyptic number.

1242442110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1242442110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2046643200).

1242442110 is an abundant number, since it is smaller than the sum of its proper divisors (2850844290).

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

1242442110 is a wasteful number, since it uses less digits than its factorization.

1242442110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1242442110 is about 35248.2922990604. The cubic root of 1242442110 is about 1075.0418905616.

Adding to 1242442110 its reverse (112442421), we get a palindrome (1354884531).

The spelling of 1242442110 in words is "one billion, two hundred forty-two million, four hundred forty-two thousand, one hundred ten".