1200401 has 4 divisors (see below), whose sum is σ = 1263600. Its totient is φ = 1137204.

The previous prime is 1200389. The next prime is 1200403. The reversal of 1200401 is 1040021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1200401 - 2¹⁰ = 1199377 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (1200403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31571 + ... + 31608.

It is an arithmetic number, because the mean of its divisors is an integer number (315900).

2^1200401 is an apocalyptic number.

It is an amenable number.

1200401 is a deficient number, since it is larger than the sum of its proper divisors (63199).

1200401 is an equidigital number, since it uses as much as digits as its factorization.

1200401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63198.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 1200401 is about 1095.6281303435. The cubic root of 1200401 is about 106.2776924357.

Adding to 1200401 its reverse (1040021), we get a palindrome (2240422).

The spelling of 1200401 in words is "one million, two hundred thousand, four hundred one".