1421752 has 16 divisors (see below), whose sum is σ = 2728440. Its totient is φ = 694176.

The previous prime is 1421747. The next prime is 1421759. The reversal of 1421752 is 2571241.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1723 + ... + 2410.

2^1421752 is an apocalyptic number.

It is an amenable number.

1421752 is a deficient number, since it is larger than the sum of its proper divisors (1306688).

1421752 is a wasteful number, since it uses less digits than its factorization.

1421752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4182 (or 4178 counting only the distinct ones).

The product of its digits is 560, while the sum is 22.

The square root of 1421752 is about 1192.3724250418. The cubic root of 1421752 is about 112.4452935663.

Adding to 1421752 its reverse (2571241), we get a palindrome (3992993).

The spelling of 1421752 in words is "one million, four hundred twenty-one thousand, seven hundred fifty-two".