1404121004 has 24 divisors (see below), whose sum is σ = 2886795408. Its totient is φ = 589141440.

The previous prime is 1404120989. The next prime is 1404121007. The reversal of 1404121004 is 4001214041.

It is not an unprimeable number, because it can be changed into a prime (1404121007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1226807 + ... + 1227950.

It is an arithmetic number, because the mean of its divisors is an integer number (120283142).

Almost surely, 2^1404121004 is an apocalyptic number.

It is an amenable number.

1404121004 is an abundant number, since it is smaller than the sum of its proper divisors (1482674404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1404121004 is a wasteful number, since it uses less digits than its factorization.

1404121004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454785 (or 2454783 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1404121004 is about 37471.6026345285. The cubic root of 1404121004 is about 1119.7855148376.

Adding to 1404121004 its reverse (4001214041), we get a palindrome (5405335045).

The spelling of 1404121004 in words is "one billion, four hundred four million, one hundred twenty-one thousand, four".