105042401 has 4 divisors (see below), whose sum is σ = 106481412. Its totient is φ = 103603392.

The previous prime is 105042389. The next prime is 105042407. The reversal of 105042401 is 104240501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59830225 + 45212176 = 7735^2 + 6724^2 .

It is a cyclic number.

It is not a de Polignac number, because 105042401 - 2¹⁸ = 104780257 is a prime.

It is a super-2 number, since 2×105042401² = 22067812015689602, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 105042401.

It is not an unprimeable number, because it can be changed into a prime (105042407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 719396 + ... + 719541.

It is an arithmetic number, because the mean of its divisors is an integer number (26620353).

Almost surely, 2^105042401 is an apocalyptic number.

It is an amenable number.

105042401 is a deficient number, since it is larger than the sum of its proper divisors (1439011).

105042401 is an equidigital number, since it uses as much as digits as its factorization.

105042401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439010.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 105042401 is about 10249.0195140804. The cubic root of 105042401 is about 471.8328926420.

Adding to 105042401 its reverse (104240501), we get a palindrome (209282902).

The spelling of 105042401 in words is "one hundred five million, forty-two thousand, four hundred one".