1226942495 has 16 divisors (see below), whose sum is σ = 1482805632. Its totient is φ = 974592000.

The previous prime is 1226942449. The next prime is 1226942557. The reversal of 1226942495 is 5942496221.

It is a de Polignac number, because none of the positive numbers 2^k-1226942495 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 723869 + ... + 725561.

It is an arithmetic number, because the mean of its divisors is an integer number (92675352).

Almost surely, 2^1226942495 is an apocalyptic number.

1226942495 is a deficient number, since it is larger than the sum of its proper divisors (255863137).

1226942495 is a wasteful number, since it uses less digits than its factorization.

1226942495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2642.

The product of its digits is 311040, while the sum is 44.

The square root of 1226942495 is about 35027.7389364486. The cubic root of 1226942495 is about 1070.5527452437.

The spelling of 1226942495 in words is "one billion, two hundred twenty-six million, nine hundred forty-two thousand, four hundred ninety-five".