1242243264 has 56 divisors (see below), whose sum is σ = 3333097728. Its totient is φ = 408244480.

The previous prime is 1242243251. The next prime is 1242243269. The reversal of 1242243264 is 4623422421.

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 (1242243269) 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, 31932 + ... + 59195.

Almost surely, 2^1242243264 is an apocalyptic number.

It is an amenable number.

1242243264 is an abundant number, since it is smaller than the sum of its proper divisors (2090854464).

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

1242243264 is an equidigital number, since it uses as much as digits as its factorization.

1242243264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91213 (or 91203 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

The square root of 1242243264 is about 35245.4715389084. The cubic root of 1242243264 is about 1074.9845359953.

Adding to 1242243264 its reverse (4623422421), we get a palindrome (5865665685).

The spelling of 1242243264 in words is "one billion, two hundred forty-two million, two hundred forty-three thousand, two hundred sixty-four".