1223298126 has 40 divisors (see below), whose sum is σ = 2835625320. Its totient is φ = 393703632.

The previous prime is 1223298059. The next prime is 1223298133. The reversal of 1223298126 is 6218923221.

It is a happy number.

It is a super-2 number, since 2×1223298126² = 2992916610150223752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 19 ways as a sum of consecutive naturals, for example, 125496 + ... + 134891.

It is an arithmetic number, because the mean of its divisors is an integer number (70890633).

Almost surely, 2^1223298126 is an apocalyptic number.

1223298126 is an abundant number, since it is smaller than the sum of its proper divisors (1612327194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223298126 is a wasteful number, since it uses less digits than its factorization.

1223298126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260430 (or 260421 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 1223298126 is about 34975.6790641726. The cubic root of 1223298126 is about 1069.4917451056.

The spelling of 1223298126 in words is "one billion, two hundred twenty-three million, two hundred ninety-eight thousand, one hundred twenty-six".