10401091 has 4 divisors (see below), whose sum is σ = 10597392. Its totient is φ = 10204792.

The previous prime is 10401077. The next prime is 10401103. The reversal of 10401091 is 19010401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19010401 = 103 ⋅184567.

It is a cyclic number.

It is not a de Polignac number, because 10401091 - 2¹⁷ = 10270019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10401011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98071 + ... + 98176.

It is an arithmetic number, because the mean of its divisors is an integer number (2649348).

Almost surely, 2^10401091 is an apocalyptic number.

10401091 is a deficient number, since it is larger than the sum of its proper divisors (196301).

10401091 is an equidigital number, since it uses as much as digits as its factorization.

10401091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196300.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 10401091 is about 3225.0722472528. The cubic root of 10401091 is about 218.2862090994.

Adding to 10401091 its reverse (19010401), we get a palindrome (29411492).

The spelling of 10401091 in words is "ten million, four hundred one thousand, ninety-one".