1188213083 has 4 divisors (see below), whose sum is σ = 1207692048. Its totient is φ = 1168734120.

The previous prime is 1188213067. The next prime is 1188213119. The reversal of 1188213083 is 3803128811.

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

It is a cyclic number.

It is not a de Polignac number, because 1188213083 - 2⁴ = 1188213067 is a prime.

It is a super-2 number, since 2×1188213083² = 2823700661224729778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1188213683) 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, 9739391 + ... + 9739512.

It is an arithmetic number, because the mean of its divisors is an integer number (301923012).

Almost surely, 2^1188213083 is an apocalyptic number.

1188213083 is a deficient number, since it is larger than the sum of its proper divisors (19478965).

1188213083 is an equidigital number, since it uses as much as digits as its factorization.

1188213083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19478964.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 1188213083 is about 34470.4668230646. The cubic root of 1188213083 is about 1059.1678181267.

The spelling of 1188213083 in words is "one billion, one hundred eighty-eight million, two hundred thirteen thousand, eighty-three".