1133011983 has 4 divisors (see below), whose sum is σ = 1510682648. Its totient is φ = 755341320.

The previous prime is 1133011973. The next prime is 1133012011. The reversal of 1133011983 is 3891103311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1133011983 - 2¹³ = 1133003791 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1133011983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133011973) 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, 188835328 + ... + 188835333.

It is an arithmetic number, because the mean of its divisors is an integer number (377670662).

Almost surely, 2^1133011983 is an apocalyptic number.

1133011983 is a deficient number, since it is larger than the sum of its proper divisors (377670665).

1133011983 is an equidigital number, since it uses as much as digits as its factorization.

1133011983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377670664.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 1133011983 is about 33660.2433591916. The cubic root of 1133011983 is about 1042.5050506688.

The spelling of 1133011983 in words is "one billion, one hundred thirty-three million, eleven thousand, nine hundred eighty-three".