1421124331 has 8 divisors (see below), whose sum is σ = 1550590704. Its totient is φ = 1291703520.

The previous prime is 1421124319. The next prime is 1421124347. The reversal of 1421124331 is 1334211241.

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

It is a cyclic number.

It is not a de Polignac number, because 1421124331 - 2¹⁹ = 1420600043 is a prime.

It is a super-2 number, since 2×1421124331² = 4039188728320395122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421124311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112045 + ... + 124081.

It is an arithmetic number, because the mean of its divisors is an integer number (193823838).

Almost surely, 2^1421124331 is an apocalyptic number.

1421124331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1421124331 is a deficient number, since it is larger than the sum of its proper divisors (129466373).

1421124331 is a wasteful number, since it uses less digits than its factorization.

1421124331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22781.

The product of its digits is 576, while the sum is 22.

The square root of 1421124331 is about 37697.8027343770. The cubic root of 1421124331 is about 1124.2874384134.

Adding to 1421124331 its reverse (1334211241), we get a palindrome (2755335572).

The spelling of 1421124331 in words is "one billion, four hundred twenty-one million, one hundred twenty-four thousand, three hundred thirty-one".