1404001234 has 4 divisors (see below), whose sum is σ = 2106001854. Its totient is φ = 702000616.

The previous prime is 1404001199. The next prime is 1404001237. The reversal of 1404001234 is 4321004041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4321004041 = 37 ⋅116783893.

It can be written as a sum of positive squares in only one way, i.e., 1292762025 + 111239209 = 35955^2 + 10547^2 .

It is not an unprimeable number, because it can be changed into a prime (1404001237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 351000307 + ... + 351000310.

Almost surely, 2^1404001234 is an apocalyptic number.

1404001234 is a deficient number, since it is larger than the sum of its proper divisors (702000620).

1404001234 is an equidigital number, since it uses as much as digits as its factorization.

1404001234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702000619.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1404001234 is about 37470.0044568986. The cubic root of 1404001234 is about 1119.7536751020.

Adding to 1404001234 its reverse (4321004041), we get a palindrome (5725005275).

The spelling of 1404001234 in words is "one billion, four hundred four million, one thousand, two hundred thirty-four".