1204003401 has 4 divisors (see below), whose sum is σ = 1605337872. Its totient is φ = 802668932.

The previous prime is 1204003373. The next prime is 1204003441. The reversal of 1204003401 is 1043004021.

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 1204003401 - 2⁶ = 1204003337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1204003441) 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, 200667231 + ... + 200667236.

It is an arithmetic number, because the mean of its divisors is an integer number (401334468).

Almost surely, 2^1204003401 is an apocalyptic number.

It is an amenable number.

1204003401 is a deficient number, since it is larger than the sum of its proper divisors (401334471).

1204003401 is an equidigital number, since it uses as much as digits as its factorization.

1204003401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401334470.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1204003401 is about 34698.7521533556. The cubic root of 1204003401 is about 1063.8389931176.

Adding to 1204003401 its reverse (1043004021), we get a palindrome (2247007422).

The spelling of 1204003401 in words is "one billion, two hundred four million, three thousand, four hundred one".