1220120483 has 4 divisors (see below), whose sum is σ = 1220716848. Its totient is φ = 1219524120.

The previous prime is 1220120479. The next prime is 1220120513. The reversal of 1220120483 is 3840210221.

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: 3840210221 = 613 ⋅6264617.

It is a cyclic number.

It is not a de Polignac number, because 1220120483 - 2² = 1220120479 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220120453) 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, 295103 + ... + 299208.

It is an arithmetic number, because the mean of its divisors is an integer number (305179212).

Almost surely, 2^1220120483 is an apocalyptic number.

1220120483 is a deficient number, since it is larger than the sum of its proper divisors (596365).

1220120483 is an equidigital number, since it uses as much as digits as its factorization.

1220120483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596364.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1220120483 is about 34930.2230596943. The cubic root of 1220120483 is about 1068.5649037636.

The spelling of 1220120483 in words is "one billion, two hundred twenty million, one hundred twenty thousand, four hundred eighty-three".