1203401 has 4 divisors (see below), whose sum is σ = 1206804. Its totient is φ = 1200000.

The previous prime is 1203361. The next prime is 1203421. The reversal of 1203401 is 1043021.

It is a happy number.

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 1000000 + 203401 = 1000^2 + 451^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1203401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203421) 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, 1100 + ... + 1901.

It is an arithmetic number, because the mean of its divisors is an integer number (301701).

2^1203401 is an apocalyptic number.

It is an amenable number.

1203401 is a deficient number, since it is larger than the sum of its proper divisors (3403).

1203401 is an equidigital number, since it uses as much as digits as its factorization.

1203401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3402.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1203401 is about 1096.9963536858. The cubic root of 1203401 is about 106.3661539415.

Adding to 1203401 its reverse (1043021), we get a palindrome (2246422).

The spelling of 1203401 in words is "one million, two hundred three thousand, four hundred one".