1420111886 has 4 divisors (see below), whose sum is σ = 2130167832. Its totient is φ = 710055942.

The previous prime is 1420111879. The next prime is 1420111939. The reversal of 1420111886 is 6881110241.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355027970 + ... + 355027973.

It is an arithmetic number, because the mean of its divisors is an integer number (532541958).

Almost surely, 2^1420111886 is an apocalyptic number.

1420111886 is a deficient number, since it is larger than the sum of its proper divisors (710055946).

1420111886 is an equidigital number, since it uses as much as digits as its factorization.

1420111886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710055945.

The product of its (nonzero) digits is 3072, while the sum is 32.

The square root of 1420111886 is about 37684.3719066671. The cubic root of 1420111886 is about 1124.0203846938.

The spelling of 1420111886 in words is "one billion, four hundred twenty million, one hundred eleven thousand, eight hundred eighty-six".