1421234441 has 8 divisors (see below), whose sum is σ = 1551148704. Its totient is φ = 1291438720.

The previous prime is 1421234429. The next prime is 1421234443. The reversal of 1421234441 is 1444321241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1421234441 - 2¹⁸ = 1420972297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1421234441.

It is not an unprimeable number, because it can be changed into a prime (1421234443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3560 + ... + 53433.

It is an arithmetic number, because the mean of its divisors is an integer number (193893588).

Almost surely, 2^1421234441 is an apocalyptic number.

1421234441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1421234441 is a deficient number, since it is larger than the sum of its proper divisors (129914263).

1421234441 is a wasteful number, since it uses less digits than its factorization.

1421234441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59271.

The product of its digits is 3072, while the sum is 26.

The square root of 1421234441 is about 37699.2631360349. The cubic root of 1421234441 is about 1124.3164745997.

Adding to 1421234441 its reverse (1444321241), we get a palindrome (2865555682).

The spelling of 1421234441 in words is "one billion, four hundred twenty-one million, two hundred thirty-four thousand, four hundred forty-one".