1421152 has 24 divisors (see below), whose sum is σ = 2835000. Its totient is φ = 701184.

The previous prime is 1421141. The next prime is 1421153. The reversal of 1421152 is 2511241.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421153) 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, 2599 + ... + 3097.

It is an arithmetic number, because the mean of its divisors is an integer number (118125).

2^1421152 is an apocalyptic number.

It is an amenable number.

1421152 is a deficient number, since it is larger than the sum of its proper divisors (1413848).

1421152 is an equidigital number, since it uses as much as digits as its factorization.

1421152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598 (or 590 counting only the distinct ones).

The product of its digits is 80, while the sum is 16.

The square root of 1421152 is about 1192.1207992481. The cubic root of 1421152 is about 112.4294734915.

Adding to 1421152 its reverse (2511241), we get a palindrome (3932393).

The spelling of 1421152 in words is "one million, four hundred twenty-one thousand, one hundred fifty-two".