1426232621 has 8 divisors (see below), whose sum is σ = 1561634688. Its totient is φ = 1291788000.

The previous prime is 1426232611. The next prime is 1426232623. The reversal of 1426232621 is 1262326241.

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 1426232621 - 2¹⁴ = 1426216237 is a prime.

It is a super-3 number, since 3×1426232621³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426232623) 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, 236240 + ... + 242201.

It is an arithmetic number, because the mean of its divisors is an integer number (195204336).

Almost surely, 2^1426232621 is an apocalyptic number.

1426232621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1426232621 is a deficient number, since it is larger than the sum of its proper divisors (135402067).

1426232621 is a wasteful number, since it uses less digits than its factorization.

1426232621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478723.

The product of its digits is 6912, while the sum is 29.

The square root of 1426232621 is about 37765.4951112785. The cubic root of 1426232621 is about 1125.6329267448.

Adding to 1426232621 its reverse (1262326241), we get a palindrome (2688558862).

The spelling of 1426232621 in words is "one billion, four hundred twenty-six million, two hundred thirty-two thousand, six hundred twenty-one".