1214987799 has 16 divisors (see below), whose sum is σ = 1676959200. Its totient is φ = 781541376.

The previous prime is 1214987783. The next prime is 1214987801. The reversal of 1214987799 is 9977894121.

1214987799 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1214987799 - 2⁴ = 1214987783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214987749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160647 + ... + 168039.

It is an arithmetic number, because the mean of its divisors is an integer number (104809950).

Almost surely, 2^1214987799 is an apocalyptic number.

1214987799 is a deficient number, since it is larger than the sum of its proper divisors (461971401).

1214987799 is a wasteful number, since it uses less digits than its factorization.

1214987799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9314.

The product of its digits is 2286144, while the sum is 57.

The square root of 1214987799 is about 34856.6750996133. The cubic root of 1214987799 is about 1067.0644195116.

The spelling of 1214987799 in words is "one billion, two hundred fourteen million, nine hundred eighty-seven thousand, seven hundred ninety-nine".