110400001 has 2 divisors, whose sum is σ = 110400002. Its totient is φ = 110400000.

The previous prime is 110399999. The next prime is 110400019. The reversal of 110400001 is 100004011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81884401 + 28515600 = 9049^2 + 5340^2 .

It is a cyclic number.

It is not a de Polignac number, because 110400001 - 2¹ = 110399999 is a prime.

Together with 110399999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (110400041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55200000 + 55200001.

It is an arithmetic number, because the mean of its divisors is an integer number (55200001).

Almost surely, 2^110400001 is an apocalyptic number.

It is an amenable number.

110400001 is a deficient number, since it is larger than the sum of its proper divisors (1).

110400001 is an equidigital number, since it uses as much as digits as its factorization.

110400001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 110400001 is about 10507.1404768376. The cubic root of 110400001 is about 479.7220627644.

Adding to 110400001 its reverse (100004011), we get a palindrome (210404012).

The spelling of 110400001 in words is "one hundred ten million, four hundred thousand, one".