1224461872 has 20 divisors (see below), whose sum is σ = 2373919240. Its totient is φ = 611837568.

The previous prime is 1224461863. The next prime is 1224461891. The reversal of 1224461872 is 2781644221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1963 + ... + 49525.

It is an arithmetic number, because the mean of its divisors is an integer number (118695962).

Almost surely, 2^1224461872 is an apocalyptic number.

It is an amenable number.

1224461872 is a deficient number, since it is larger than the sum of its proper divisors (1149457368).

1224461872 is a wasteful number, since it uses less digits than its factorization.

1224461872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49180 (or 49174 counting only the distinct ones).

The product of its digits is 43008, while the sum is 37.

The square root of 1224461872 is about 34992.3116126957. The cubic root of 1224461872 is about 1069.8307800056.

The spelling of 1224461872 in words is "one billion, two hundred twenty-four million, four hundred sixty-one thousand, eight hundred seventy-two".