1226495117 has 4 divisors (see below), whose sum is σ = 1226659836. Its totient is φ = 1226330400.

The previous prime is 1226495111. The next prime is 1226495131. The reversal of 1226495117 is 7115946221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 50965321 + 1175529796 = 7139^2 + 34286^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1226495117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226495111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70634 + ... + 86267.

It is an arithmetic number, because the mean of its divisors is an integer number (306664959).

Almost surely, 2^1226495117 is an apocalyptic number.

It is an amenable number.

1226495117 is a deficient number, since it is larger than the sum of its proper divisors (164719).

1226495117 is an equidigital number, since it uses as much as digits as its factorization.

1226495117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164718.

The product of its digits is 30240, while the sum is 38.

The square root of 1226495117 is about 35021.3523011319. The cubic root of 1226495117 is about 1070.4226114703.

The spelling of 1226495117 in words is "one billion, two hundred twenty-six million, four hundred ninety-five thousand, one hundred seventeen".