1118454739 has 2 divisors, whose sum is σ = 1118454740. Its totient is φ = 1118454738.

The previous prime is 1118454719. The next prime is 1118454749. The reversal of 1118454739 is 9374548111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1118454739 - 2¹³ = 1118446547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1118454695 and 1118454704.

It is not a weakly prime, because it can be changed into another prime (1118454719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559227369 + 559227370.

It is an arithmetic number, because the mean of its divisors is an integer number (559227370).

Almost surely, 2^1118454739 is an apocalyptic number.

1118454739 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118454739 is an equidigital number, since it uses as much as digits as its factorization.

1118454739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 43.

The square root of 1118454739 is about 33443.3063407313. The cubic root of 1118454739 is about 1038.0209958715.

The spelling of 1118454739 in words is "one billion, one hundred eighteen million, four hundred fifty-four thousand, seven hundred thirty-nine".