1274821223 has 4 divisors (see below), whose sum is σ = 1372884408. Its totient is φ = 1176758040.

The previous prime is 1274821217. The next prime is 1274821271. The reversal of 1274821223 is 3221284721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3221284721 = 53 ⋅60778957.

It is a cyclic number.

It is not a de Polignac number, because 1274821223 - 2¹⁰ = 1274820199 is a prime.

It is a super-2 number, since 2×1274821223² = 3250338301222431458, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1274821223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1274121223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49031573 + ... + 49031598.

It is an arithmetic number, because the mean of its divisors is an integer number (343221102).

Almost surely, 2^1274821223 is an apocalyptic number.

1274821223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1274821223 is a deficient number, since it is larger than the sum of its proper divisors (98063185).

1274821223 is an equidigital number, since it uses as much as digits as its factorization.

1274821223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98063184.

The product of its digits is 10752, while the sum is 32.

The square root of 1274821223 is about 35704.6386762281. The cubic root of 1274821223 is about 1084.3007586619.

The spelling of 1274821223 in words is "one billion, two hundred seventy-four million, eight hundred twenty-one thousand, two hundred twenty-three".