1226345061 has 4 divisors (see below), whose sum is σ = 1635126752. Its totient is φ = 817563372.

The previous prime is 1226345059. The next prime is 1226345093. The reversal of 1226345061 is 1605436221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1226345061 - 2¹ = 1226345059 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 (1226345051) 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, 204390841 + ... + 204390846.

It is an arithmetic number, because the mean of its divisors is an integer number (408781688).

Almost surely, 2^1226345061 is an apocalyptic number.

It is an amenable number.

1226345061 is a deficient number, since it is larger than the sum of its proper divisors (408781691).

1226345061 is an equidigital number, since it uses as much as digits as its factorization.

1226345061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408781690.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1226345061 is about 35019.2098854329. The cubic root of 1226345061 is about 1070.3789559394.

The spelling of 1226345061 in words is "one billion, two hundred twenty-six million, three hundred forty-five thousand, sixty-one".