1244045802 has 8 divisors (see below), whose sum is σ = 2488091616. Its totient is φ = 414681932.

The previous prime is 1244045801. The next prime is 1244045819. The reversal of 1244045802 is 2085404421.

It is a sphenic number, since it is the product of 3 distinct primes.

1244045802 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1244045802.

It is not an unprimeable number, because it can be changed into a prime (1244045801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103670478 + ... + 103670489.

It is an arithmetic number, because the mean of its divisors is an integer number (311011452).

Almost surely, 2^1244045802 is an apocalyptic number.

1244045802 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1244045802 is a wasteful number, since it uses less digits than its factorization.

1244045802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207340972.

The product of its (nonzero) digits is 10240, while the sum is 30.

The square root of 1244045802 is about 35271.0334694066. The cubic root of 1244045802 is about 1075.5042313086.

The spelling of 1244045802 in words is "one billion, two hundred forty-four million, forty-five thousand, eight hundred two".