1322145 has 24 divisors (see below), whose sum is σ = 2500992. Its totient is φ = 640800.

The previous prime is 1322143. The next prime is 1322147. The reversal of 1322145 is 5412231.

It is an interprime number because it is at equal distance from previous prime (1322143) and next prime (1322147).

It is not a de Polignac number, because 1322145 - 2¹ = 1322143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1322143) 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, 841 + ... + 1830.

It is an arithmetic number, because the mean of its divisors is an integer number (104208).

2^1322145 is an apocalyptic number.

1322145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1322145 is a deficient number, since it is larger than the sum of its proper divisors (1178847).

1322145 is a wasteful number, since it uses less digits than its factorization.

1322145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2693 (or 2690 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 1322145 is about 1149.8456418146. The cubic root of 1322145 is about 109.7555176302.

Adding to 1322145 its reverse (5412231), we get a palindrome (6734376).

The spelling of 1322145 in words is "one million, three hundred twenty-two thousand, one hundred forty-five".