1109938867 has 2 divisors, whose sum is σ = 1109938868. Its totient is φ = 1109938866.

The previous prime is 1109938813. The next prime is 1109938877. The reversal of 1109938867 is 7688399011.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1109938867 - 2¹⁵ = 1109906099 is a prime.

It is not a weakly prime, because it can be changed into another prime (1109938877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554969433 + 554969434.

It is an arithmetic number, because the mean of its divisors is an integer number (554969434).

Almost surely, 2^1109938867 is an apocalyptic number.

1109938867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1109938867 is an equidigital number, since it uses as much as digits as its factorization.

1109938867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 52.

The square root of 1109938867 is about 33315.7450314412. The cubic root of 1109938867 is about 1035.3797969808.

The spelling of 1109938867 in words is "one billion, one hundred nine million, nine hundred thirty-eight thousand, eight hundred sixty-seven".