1226417131 has 2 divisors, whose sum is σ = 1226417132. Its totient is φ = 1226417130.

The previous prime is 1226417119. The next prime is 1226417173. The reversal of 1226417131 is 1317146221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1226417131 - 2⁵ = 1226417099 is a prime.

It is a super-2 number, since 2×1226417131² = 3008197958420542322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1226417131.

It is not a weakly prime, because it can be changed into another prime (1226417831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613208565 + 613208566.

It is an arithmetic number, because the mean of its divisors is an integer number (613208566).

Almost surely, 2^1226417131 is an apocalyptic number.

1226417131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226417131 is an equidigital number, since it uses as much as digits as its factorization.

1226417131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 28.

The square root of 1226417131 is about 35020.2388769694. The cubic root of 1226417131 is about 1070.3999235835.

The spelling of 1226417131 in words is "one billion, two hundred twenty-six million, four hundred seventeen thousand, one hundred thirty-one".