1321450 has 48 divisors (see below), whose sum is σ = 2812320. Its totient is φ = 457920.

The previous prime is 1321447. The next prime is 1321451. The reversal of 1321450 is 541231.

It is not an unprimeable number, because it can be changed into a prime (1321451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12297 + ... + 12403.

It is an arithmetic number, because the mean of its divisors is an integer number (58590).

2^1321450 is an apocalyptic number.

1321450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321450 is an abundant number, since it is smaller than the sum of its proper divisors (1490870).

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

1321450 is a wasteful number, since it uses less digits than its factorization.

1321450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1321450 is about 1149.5433876109. The cubic root of 1321450 is about 109.7362828628.

Adding to 1321450 its reverse (541231), we get a palindrome (1862681).

It can be divided in two parts, 1321 and 450, that added together give a palindrome (1771).

The spelling of 1321450 in words is "one million, three hundred twenty-one thousand, four hundred fifty".