1213023084 has 96 divisors (see below), whose sum is σ = 3549450240. Its totient is φ = 313867008.

The previous prime is 1213023079. The next prime is 1213023109. The reversal of 1213023084 is 4803203121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47397 + ... + 68355.

It is an arithmetic number, because the mean of its divisors is an integer number (36973440).

Almost surely, 2^1213023084 is an apocalyptic number.

1213023084 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1213023084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1774725120).

1213023084 is an abundant number, since it is smaller than the sum of its proper divisors (2336427156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1213023084 is a wasteful number, since it uses less digits than its factorization.

1213023084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21039 (or 21037 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1213023084 is about 34828.4809315594. The cubic root of 1213023084 is about 1066.4889381402.

The spelling of 1213023084 in words is "one billion, two hundred thirteen million, twenty-three thousand, eighty-four".