1421044239 has 16 divisors (see below), whose sum is σ = 1910822400. Its totient is φ = 939338400.

The previous prime is 1421044231. The next prime is 1421044241. The reversal of 1421044239 is 9324401241.

1421044239 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1421044239 - 2³ = 1421044231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421044231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268729 + ... + 273965.

It is an arithmetic number, because the mean of its divisors is an integer number (119426400).

Almost surely, 2^1421044239 is an apocalyptic number.

1421044239 is a deficient number, since it is larger than the sum of its proper divisors (489778161).

1421044239 is a wasteful number, since it uses less digits than its factorization.

1421044239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5990.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1421044239 is about 37696.7404293793. The cubic root of 1421044239 is about 1124.2663170802.

The spelling of 1421044239 in words is "one billion, four hundred twenty-one million, forty-four thousand, two hundred thirty-nine".