1404360121 has 2 divisors, whose sum is σ = 1404360122. Its totient is φ = 1404360120.

The previous prime is 1404360079. The next prime is 1404360131. The reversal of 1404360121 is 1210634041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1292762025 + 111598096 = 35955^2 + 10564^2 .

It is a cyclic number.

It is not a de Polignac number, because 1404360121 - 2⁷ = 1404359993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1404360092 and 1404360101.

It is not a weakly prime, because it can be changed into another prime (1404360131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702180060 + 702180061.

It is an arithmetic number, because the mean of its divisors is an integer number (702180061).

Almost surely, 2^1404360121 is an apocalyptic number.

It is an amenable number.

1404360121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1404360121 is an equidigital number, since it uses as much as digits as its factorization.

1404360121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1404360121 is about 37474.7931415238. The cubic root of 1404360121 is about 1119.8490764428.

Adding to 1404360121 its reverse (1210634041), we get a palindrome (2614994162).

The spelling of 1404360121 in words is "one billion, four hundred four million, three hundred sixty thousand, one hundred twenty-one".