1421133 has 32 divisors (see below), whose sum is σ = 2334720. Its totient is φ = 751680.

The previous prime is 1421113. The next prime is 1421141. The reversal of 1421133 is 3311241.

It is not a de Polignac number, because 1421133 - 2⁹ = 1420621 is a prime.

1421133 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421113) 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 31 ways as a sum of consecutive naturals, for example, 24058 + ... + 24116.

It is an arithmetic number, because the mean of its divisors is an integer number (72960).

2^1421133 is an apocalyptic number.

It is an amenable number.

1421133 is a deficient number, since it is larger than the sum of its proper divisors (913587).

1421133 is a wasteful number, since it uses less digits than its factorization.

1421133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137.

The product of its digits is 72, while the sum is 15.

The square root of 1421133 is about 1192.1128302304. The cubic root of 1421133 is about 112.4289724497.

Adding to 1421133 its reverse (3311241), we get a palindrome (4732374).

It can be divided in two parts, 142 and 1133, that added together give a triangular number (1275 = T₅₀).

The spelling of 1421133 in words is "one million, four hundred twenty-one thousand, one hundred thirty-three".