1404420121 has 8 divisors (see below), whose sum is σ = 1513139264. Its totient is φ = 1295799120.

The previous prime is 1404420079. The next prime is 1404420139. The reversal of 1404420121 is 1210244041.

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 1404420121 - 2⁷ = 1404419993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1404420151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6670 + ... + 53416.

It is an arithmetic number, because the mean of its divisors is an integer number (189142408).

Almost surely, 2^1404420121 is an apocalyptic number.

It is an amenable number.

1404420121 is a deficient number, since it is larger than the sum of its proper divisors (108719143).

1404420121 is a wasteful number, since it uses less digits than its factorization.

1404420121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49071.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1404420121 is about 37475.5936710814. The cubic root of 1404420121 is about 1119.8650243911.

Adding to 1404420121 its reverse (1210244041), we get a palindrome (2614664162).

The spelling of 1404420121 in words is "one billion, four hundred four million, four hundred twenty thousand, one hundred twenty-one".