1221483283 has 4 divisors (see below), whose sum is σ = 1233342448. Its totient is φ = 1209624120.

The previous prime is 1221483271. The next prime is 1221483301. The reversal of 1221483283 is 3823841221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3823841221 = 21649 ⋅176629.

It is a cyclic number.

It is not a de Polignac number, because 1221483283 - 2¹³ = 1221475091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1221483233) 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, 5929428 + ... + 5929633.

It is an arithmetic number, because the mean of its divisors is an integer number (308335612).

Almost surely, 2^1221483283 is an apocalyptic number.

1221483283 is a deficient number, since it is larger than the sum of its proper divisors (11859165).

1221483283 is a wasteful number, since it uses less digits than its factorization.

1221483283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11859164.

The product of its digits is 18432, while the sum is 34.

The square root of 1221483283 is about 34949.7250776025. The cubic root of 1221483283 is about 1068.9625962948.

The spelling of 1221483283 in words is "one billion, two hundred twenty-one million, four hundred eighty-three thousand, two hundred eighty-three".