1120871138 has 4 divisors (see below), whose sum is σ = 1681306710. Its totient is φ = 560435568.

The previous prime is 1120871053. The next prime is 1120871159. The reversal of 1120871138 is 8311780211.

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

It can be written as a sum of positive squares in only one way, i.e., 904986889 + 215884249 = 30083^2 + 14693^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280217783 + ... + 280217786.

Almost surely, 2^1120871138 is an apocalyptic number.

1120871138 is a deficient number, since it is larger than the sum of its proper divisors (560435572).

1120871138 is an equidigital number, since it uses as much as digits as its factorization.

1120871138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560435571.

The product of its (nonzero) digits is 2688, while the sum is 32.

The square root of 1120871138 is about 33479.4136448057. The cubic root of 1120871138 is about 1038.7679993386.

The spelling of 1120871138 in words is "one billion, one hundred twenty million, eight hundred seventy-one thousand, one hundred thirty-eight".