1420044231 has 4 divisors (see below), whose sum is σ = 1893392312. Its totient is φ = 946696152.

The previous prime is 1420044191. The next prime is 1420044251. The reversal of 1420044231 is 1324400241.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1420044231 - 2⁷ = 1420044103 is a prime.

It is a super-2 number, since 2×1420044231² = 4033051235992762722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1420044198 and 1420044207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420044251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236674036 + ... + 236674041.

It is an arithmetic number, because the mean of its divisors is an integer number (473348078).

Almost surely, 2^1420044231 is an apocalyptic number.

1420044231 is a deficient number, since it is larger than the sum of its proper divisors (473348081).

1420044231 is an equidigital number, since it uses as much as digits as its factorization.

1420044231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473348080.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1420044231 is about 37683.4742426969. The cubic root of 1420044231 is about 1124.0025347372.

Adding to 1420044231 its reverse (1324400241), we get a palindrome (2744444472).

The spelling of 1420044231 in words is "one billion, four hundred twenty million, forty-four thousand, two hundred thirty-one".