1223274051 has 6 divisors (see below), whose sum is σ = 1766951420. Its totient is φ = 815516028.

The previous prime is 1223274047. The next prime is 1223274071. The reversal of 1223274051 is 1504723221.

It is not a de Polignac number, because 1223274051 - 2² = 1223274047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223274071) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67959661 + ... + 67959678.

Almost surely, 2^1223274051 is an apocalyptic number.

1223274051 is a deficient number, since it is larger than the sum of its proper divisors (543677369).

1223274051 is a wasteful number, since it uses less digits than its factorization.

1223274051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135919345 (or 135919342 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 1223274051 is about 34975.3348947512. The cubic root of 1223274051 is about 1069.4847290501.

Adding to 1223274051 its reverse (1504723221), we get a palindrome (2727997272).

The spelling of 1223274051 in words is "one billion, two hundred twenty-three million, two hundred seventy-four thousand, fifty-one".