1114643979 has 24 divisors (see below), whose sum is σ = 1663854192. Its totient is φ = 718603200.

The previous prime is 1114643953. The next prime is 1114643983. The reversal of 1114643979 is 9793464111.

It is a happy number.

1114643979 is a `hidden beast` number, since 1 + 1 + 146 + 439 + 79 = 666.

It is not a de Polignac number, because 1114643979 - 2⁸ = 1114643723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1114643909) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24829 + ... + 53345.

It is an arithmetic number, because the mean of its divisors is an integer number (69327258).

Almost surely, 2^1114643979 is an apocalyptic number.

1114643979 is a deficient number, since it is larger than the sum of its proper divisors (549210213).

1114643979 is a wasteful number, since it uses less digits than its factorization.

1114643979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28667 (or 28664 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 1114643979 is about 33386.2842946022. The cubic root of 1114643979 is about 1036.8407514409.

The spelling of 1114643979 in words is "one billion, one hundred fourteen million, six hundred forty-three thousand, nine hundred seventy-nine".