404120001 has 8 divisors (see below), whose sum is σ = 546416064. Its totient is φ = 265618640.

The previous prime is 404119981. The next prime is 404120021. The reversal of 404120001 is 100021404.

It is an interprime number because it is at equal distance from previous prime (404119981) and next prime (404120021).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 404120001 - 2¹³ = 404111809 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (404120021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 948426 + ... + 948851.

It is an arithmetic number, because the mean of its divisors is an integer number (68302008).

Almost surely, 2^404120001 is an apocalyptic number.

It is an amenable number.

404120001 is a deficient number, since it is larger than the sum of its proper divisors (142296063).

404120001 is a wasteful number, since it uses less digits than its factorization.

404120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897351.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 404120001 is about 20102.7361570509. The cubic root of 404120001 is about 739.3273660186.

Adding to 404120001 its reverse (100021404), we get a palindrome (504141405).

It can be divided in two parts, 4041 and 20001, that added together give a palindrome (24042).

The spelling of 404120001 in words is "four hundred four million, one hundred twenty thousand, one".