1222987059 has 16 divisors (see below), whose sum is σ = 2070666240. Its totient is φ = 698849640.

The previous prime is 1222987033. The next prime is 1222987061. The reversal of 1222987059 is 9507892221.

It is a happy number.

It is not a de Polignac number, because 1222987059 - 2⁸ = 1222986803 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1222987019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3235227 + ... + 3235604.

It is an arithmetic number, because the mean of its divisors is an integer number (129416640).

Almost surely, 2^1222987059 is an apocalyptic number.

1222987059 is a deficient number, since it is larger than the sum of its proper divisors (847679181).

1222987059 is an equidigital number, since it uses as much as digits as its factorization.

1222987059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6470847 (or 6470841 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 1222987059 is about 34971.2318770729. The cubic root of 1222987059 is about 1069.4010853326.

The spelling of 1222987059 in words is "one billion, two hundred twenty-two million, nine hundred eighty-seven thousand, fifty-nine".