1404121 has 4 divisors (see below), whose sum is σ = 1406592. Its totient is φ = 1401652.

The previous prime is 1404107. The next prime is 1404131. The reversal of 1404121 is 1214041.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1214041 = 83 ⋅14627.

It is a cyclic number.

It is not a de Polignac number, because 1404121 - 2⁹ = 1403609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1404131) 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, 96 + ... + 1678.

It is an arithmetic number, because the mean of its divisors is an integer number (351648).

2^1404121 is an apocalyptic number.

It is an amenable number.

1404121 is a deficient number, since it is larger than the sum of its proper divisors (2471).

1404121 is an equidigital number, since it uses as much as digits as its factorization.

1404121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1404121 is about 1184.9561173309. The cubic root of 1404121 is about 111.9785513774.

Adding to 1404121 its reverse (1214041), we get a palindrome (2618162).

The spelling of 1404121 in words is "one million, four hundred four thousand, one hundred twenty-one".