1225017126 has 12 divisors (see below), whose sum is σ = 2654203812. Its totient is φ = 408339036.

The previous prime is 1225017103. The next prime is 1225017133. The reversal of 1225017126 is 6217105221.

It is a self number, because there is not a number n which added to its sum of digits gives 1225017126.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34028236 + ... + 34028271.

It is an arithmetic number, because the mean of its divisors is an integer number (221183651).

Almost surely, 2^1225017126 is an apocalyptic number.

1225017126 is an abundant number, since it is smaller than the sum of its proper divisors (1429186686).

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

1225017126 is a wasteful number, since it uses less digits than its factorization.

1225017126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68056515 (or 68056512 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 1225017126 is about 35000.2446562878. The cubic root of 1225017126 is about 1069.9924668291.

The spelling of 1225017126 in words is "one billion, two hundred twenty-five million, seventeen thousand, one hundred twenty-six".