1213842283 has 8 divisors (see below), whose sum is σ = 1235202048. Its totient is φ = 1192578024.

The previous prime is 1213842281. The next prime is 1213842307. The reversal of 1213842283 is 3822483121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1213842283 - 2¹ = 1213842281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213842281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2010 + ... + 49312.

It is an arithmetic number, because the mean of its divisors is an integer number (154400256).

Almost surely, 2^1213842283 is an apocalyptic number.

1213842283 is a deficient number, since it is larger than the sum of its proper divisors (21359765).

1213842283 is an equidigital number, since it uses as much as digits as its factorization.

1213842283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47753.

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

The square root of 1213842283 is about 34840.2394222543. The cubic root of 1213842283 is about 1066.7289638203.

The spelling of 1213842283 in words is "one billion, two hundred thirteen million, eight hundred forty-two thousand, two hundred eighty-three".