1224036242 has 54 divisors (see below), whose sum is σ = 2198030751. Its totient is φ = 510612960.

The previous prime is 1224036223. The next prime is 1224036283. The reversal of 1224036242 is 2426304221.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 720976201 + 503060041 = 26851^2 + 22429^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=24739.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 7075268 + ... + 7075440.

Almost surely, 2^1224036242 is an apocalyptic number.

1224036242 is a deficient number, since it is larger than the sum of its proper divisors (973994509).

1224036242 is a wasteful number, since it uses less digits than its factorization.

1224036242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1224036242 is about 34986.2293195480. The cubic root of 1224036242 is about 1069.7068058592.

Multiplying 1224036242 by its product of nonzero digits (4608), we get a square (5640359003136 = 2374944²).

The spelling of 1224036242 in words is "one billion, two hundred twenty-four million, thirty-six thousand, two hundred forty-two".