1242050112 has 140 divisors (see below), whose sum is σ = 3699881856. Its totient is φ = 411989760.

The previous prime is 1242050081. The next prime is 1242050119. The reversal of 1242050112 is 2110502421.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1242050119) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1362937 + ... + 1363847.

Almost surely, 2^1242050112 is an apocalyptic number.

1242050112 is a gapful number since it is divisible by the number (12) 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 1242050112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1849940928).

1242050112 is an abundant number, since it is smaller than the sum of its proper divisors (2457831744).

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

1242050112 is an equidigital number, since it uses as much as digits as its factorization.

1242050112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198 (or 1179 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1242050112 is about 35242.7313356953. The cubic root of 1242050112 is about 1074.9288179296.

Adding to 1242050112 its reverse (2110502421), we get a palindrome (3352552533).

The spelling of 1242050112 in words is "one billion, two hundred forty-two million, fifty thousand, one hundred twelve".