1242773344 has 24 divisors (see below), whose sum is σ = 2450067480. Its totient is φ = 620534016.

The previous prime is 1242773341. The next prime is 1242773347. The reversal of 1242773344 is 4433772421.

It is an interprime number because it is at equal distance from previous prime (1242773341) and next prime (1242773347).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242773341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2629 + ... + 49924.

It is an arithmetic number, because the mean of its divisors is an integer number (102086145).

Almost surely, 2^1242773344 is an apocalyptic number.

It is an amenable number.

1242773344 is a deficient number, since it is larger than the sum of its proper divisors (1207294136).

1242773344 is an equidigital number, since it uses as much as digits as its factorization.

1242773344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53302 (or 53294 counting only the distinct ones).

The product of its digits is 112896, while the sum is 37.

The square root of 1242773344 is about 35252.9905681773. The cubic root of 1242773344 is about 1075.1374171547.

The spelling of 1242773344 in words is "one billion, two hundred forty-two million, seven hundred seventy-three thousand, three hundred forty-four".