1242211344 has 40 divisors (see below), whose sum is σ = 3500778912. Its totient is φ = 376427520.

The previous prime is 1242211273. The next prime is 1242211349. The reversal of 1242211344 is 4431122421.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1242211349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1175809 + ... + 1176864.

Almost surely, 2^1242211344 is an apocalyptic number.

It is an amenable number.

1242211344 is an abundant number, since it is smaller than the sum of its proper divisors (2258567568).

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

1242211344 is a wasteful number, since it uses less digits than its factorization.

1242211344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2352695 (or 2352689 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 1242211344 is about 35245.0187118691. The cubic root of 1242211344 is about 1074.9753285126.

Adding to 1242211344 its reverse (4431122421), we get a palindrome (5673333765).

The spelling of 1242211344 in words is "one billion, two hundred forty-two million, two hundred eleven thousand, three hundred forty-four".