1120021983 has 6 divisors (see below), whose sum is σ = 1617809544. Its totient is φ = 746681316.

The previous prime is 1120021951. The next prime is 1120021993. The reversal of 1120021983 is 3891200211.

It is not a de Polignac number, because 1120021983 - 2⁵ = 1120021951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120021933) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62223435 + ... + 62223452.

It is an arithmetic number, because the mean of its divisors is an integer number (269634924).

Almost surely, 2^1120021983 is an apocalyptic number.

1120021983 is a deficient number, since it is larger than the sum of its proper divisors (497787561).

1120021983 is a wasteful number, since it uses less digits than its factorization.

1120021983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124446893 (or 124446890 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1120021983 is about 33466.7294936329. The cubic root of 1120021983 is about 1038.5056147661.

The spelling of 1120021983 in words is "one billion, one hundred twenty million, twenty-one thousand, nine hundred eighty-three".