1226875637 has 16 divisors (see below), whose sum is σ = 1415971200. Its totient is φ = 1053974592.

The previous prime is 1226875631. The next prime is 1226875649. The reversal of 1226875637 is 7365786221.

It is a cyclic number.

It is not a de Polignac number, because 1226875637 - 2⁴ = 1226875621 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1226875591 and 1226875600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226875631) 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 in 15 ways as a sum of consecutive naturals, for example, 44387 + ... + 66512.

It is an arithmetic number, because the mean of its divisors is an integer number (88498200).

Almost surely, 2^1226875637 is an apocalyptic number.

It is an amenable number.

1226875637 is a deficient number, since it is larger than the sum of its proper divisors (189095563).

1226875637 is a wasteful number, since it uses less digits than its factorization.

1226875637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110972.

The product of its digits is 846720, while the sum is 47.

The square root of 1226875637 is about 35026.7845655293. The cubic root of 1226875637 is about 1070.5332995305.

The spelling of 1226875637 in words is "one billion, two hundred twenty-six million, eight hundred seventy-five thousand, six hundred thirty-seven".