1421232 has 40 divisors (see below), whose sum is σ = 3801840. Its totient is φ = 456960.

The previous prime is 1421227. The next prime is 1421243. The reversal of 1421232 is 2321241.

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 882 + ... + 1902.

It is an arithmetic number, because the mean of its divisors is an integer number (95046).

2^1421232 is an apocalyptic number.

1421232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1900920).

1421232 is an abundant number, since it is smaller than the sum of its proper divisors (2380608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421232 is a wasteful number, since it uses less digits than its factorization.

1421232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061 (or 1055 counting only the distinct ones).

The product of its digits is 96, while the sum is 15.

The square root of 1421232 is about 1192.1543524225. The cubic root of 1421232 is about 112.4315830920.

Adding to 1421232 its reverse (2321241), we get a palindrome (3742473).

Subtracting 1421232 from its reverse (2321241), we obtain a palindrome (900009).

It can be divided in two parts, 1421 and 232, that added together give a triangular number (1653 = T₅₇).

The spelling of 1421232 in words is "one million, four hundred twenty-one thousand, two hundred thirty-two".