110040391 has 2 divisors, whose sum is σ = 110040392. Its totient is φ = 110040390.

The previous prime is 110040383. The next prime is 110040407. The reversal of 110040391 is 193040011.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (193040011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110040391 - 2³ = 110040383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110040341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55020195 + 55020196.

It is an arithmetic number, because the mean of its divisors is an integer number (55020196).

Almost surely, 2^110040391 is an apocalyptic number.

110040391 is a deficient number, since it is larger than the sum of its proper divisors (1).

110040391 is an equidigital number, since it uses as much as digits as its factorization.

110040391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 110040391 is about 10490.0138703435. The cubic root of 110040391 is about 479.2006240568.

The spelling of 110040391 in words is "one hundred ten million, forty thousand, three hundred ninety-one".