1110978439 has 2 divisors, whose sum is σ = 1110978440. Its totient is φ = 1110978438.

The previous prime is 1110978413. The next prime is 1110978457. The reversal of 1110978439 is 9348790111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1110978439 - 2⁷ = 1110978311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1110978395 and 1110978404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110972439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555489219 + 555489220.

It is an arithmetic number, because the mean of its divisors is an integer number (555489220).

Almost surely, 2^1110978439 is an apocalyptic number.

1110978439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110978439 is an equidigital number, since it uses as much as digits as its factorization.

1110978439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 43.

The square root of 1110978439 is about 33331.3431922567. The cubic root of 1110978439 is about 1035.7029427008.

The spelling of 1110978439 in words is "one billion, one hundred ten million, nine hundred seventy-eight thousand, four hundred thirty-nine".