1118969407 has 2 divisors, whose sum is σ = 1118969408. Its totient is φ = 1118969406.

The previous prime is 1118969377. The next prime is 1118969419. The reversal of 1118969407 is 7049698111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1118969407 - 2¹¹ = 1118967359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1118969497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559484703 + 559484704.

It is an arithmetic number, because the mean of its divisors is an integer number (559484704).

Almost surely, 2^1118969407 is an apocalyptic number.

1118969407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118969407 is an equidigital number, since it uses as much as digits as its factorization.

1118969407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 46.

The square root of 1118969407 is about 33451.0000896834. Note that the first 4 decimals coincide. The cubic root of 1118969407 is about 1038.1801899952.

The spelling of 1118969407 in words is "one billion, one hundred eighteen million, nine hundred sixty-nine thousand, four hundred seven".