1244728474 has 32 divisors (see below), whose sum is σ = 2164776192. Its totient is φ = 530496000.

The previous prime is 1244728427. The next prime is 1244728489. The reversal of 1244728474 is 4748274421.

It is a self number, because there is not a number n which added to its sum of digits gives 1244728474.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95214 + ... + 107494.

It is an arithmetic number, because the mean of its divisors is an integer number (67649256).

Almost surely, 2^1244728474 is an apocalyptic number.

1244728474 is a deficient number, since it is larger than the sum of its proper divisors (920047718).

1244728474 is a wasteful number, since it uses less digits than its factorization.

1244728474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12582.

The product of its digits is 401408, while the sum is 43.

The square root of 1244728474 is about 35280.7096583955. The cubic root of 1244728474 is about 1075.7009235214.

The spelling of 1244728474 in words is "one billion, two hundred forty-four million, seven hundred twenty-eight thousand, four hundred seventy-four".