1122312502 has 4 divisors (see below), whose sum is σ = 1683468756. Its totient is φ = 561156250.

The previous prime is 1122312493. The next prime is 1122312509. The reversal of 1122312502 is 2052132211.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1122312502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122312509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280578124 + ... + 280578127.

It is an arithmetic number, because the mean of its divisors is an integer number (420867189).

Almost surely, 2^1122312502 is an apocalyptic number.

1122312502 is a deficient number, since it is larger than the sum of its proper divisors (561156254).

1122312502 is an equidigital number, since it uses as much as digits as its factorization.

1122312502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561156253.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1122312502 is about 33500.9328526834. The cubic root of 1122312502 is about 1039.2130702666.

Adding to 1122312502 its reverse (2052132211), we get a palindrome (3174444713).

The spelling of 1122312502 in words is "one billion, one hundred twenty-two million, three hundred twelve thousand, five hundred two".