1404123401 has 2 divisors, whose sum is σ = 1404123402. Its totient is φ = 1404123400.

The previous prime is 1404123379. The next prime is 1404123431. The reversal of 1404123401 is 1043214041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1323213376 + 80910025 = 36376^2 + 8995^2 .

It is an emirp because it is prime and its reverse (1043214041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1404123401 - 2⁶ = 1404123337 is a prime.

It is not a weakly prime, because it can be changed into another prime (1404123431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702061700 + 702061701.

It is an arithmetic number, because the mean of its divisors is an integer number (702061701).

Almost surely, 2^1404123401 is an apocalyptic number.

It is an amenable number.

1404123401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1404123401 is an equidigital number, since it uses as much as digits as its factorization.

1404123401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1404123401 is about 37471.6346187353. The cubic root of 1404123401 is about 1119.7861520392.

Adding to 1404123401 its reverse (1043214041), we get a palindrome (2447337442).

The spelling of 1404123401 in words is "one billion, four hundred four million, one hundred twenty-three thousand, four hundred one".