1404212939 has 2 divisors, whose sum is σ = 1404212940. Its totient is φ = 1404212938.

The previous prime is 1404212861. The next prime is 1404212941. The reversal of 1404212939 is 9392124041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1404212939 - 2¹⁶ = 1404147403 is a prime.

Together with 1404212941, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1404212899 and 1404212908.

It is not a weakly prime, because it can be changed into another prime (1404212969) 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 as a sum of consecutive naturals, namely, 702106469 + 702106470.

It is an arithmetic number, because the mean of its divisors is an integer number (702106470).

Almost surely, 2^1404212939 is an apocalyptic number.

1404212939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1404212939 is an equidigital number, since it uses as much as digits as its factorization.

1404212939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 1404212939 is about 37472.8293434056. The cubic root of 1404212939 is about 1119.8099536702.

The spelling of 1404212939 in words is "one billion, four hundred four million, two hundred twelve thousand, nine hundred thirty-nine".