1247222024 has 16 divisors (see below), whose sum is σ = 2419181100. Its totient is φ = 602107072.

The previous prime is 1247221999. The next prime is 1247222027. The reversal of 1247222024 is 4202227421.

It can be written as a sum of positive squares in 2 ways, for example, as 1244819524 + 2402500 = 35282^2 + 1550^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1247221984 and 1247222002.

It is not an unprimeable number, because it can be changed into a prime (1247222027) 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, 2687747 + ... + 2688210.

Almost surely, 2^1247222024 is an apocalyptic number.

It is an amenable number.

1247222024 is a deficient number, since it is larger than the sum of its proper divisors (1171959076).

1247222024 is a wasteful number, since it uses less digits than its factorization.

1247222024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5375992 (or 5375988 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 1247222024 is about 35316.0306942895. The cubic root of 1247222024 is about 1076.4187574199.

Adding to 1247222024 its reverse (4202227421), we get a palindrome (5449449445).

The spelling of 1247222024 in words is "one billion, two hundred forty-seven million, two hundred twenty-two thousand, twenty-four".