1122345 has 36 divisors (see below), whose sum is σ = 2267460. Its totient is φ = 512064.

The previous prime is 1122287. The next prime is 1122367. The reversal of 1122345 is 5432211.

It can be written as a sum of positive squares in 2 ways, for example, as 670761 + 451584 = 819^2 + 672^2 .

It is not a de Polignac number, because 1122345 - 2⁶ = 1122281 is a prime.

It is a Curzon number.

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1951 + ... + 2459.

It is an arithmetic number, because the mean of its divisors is an integer number (62985).

2^1122345 is an apocalyptic number.

1122345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1122345 is an abundant number, since it is smaller than the sum of its proper divisors (1145115).

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

1122345 is a wasteful number, since it uses less digits than its factorization.

1122345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534 (or 524 counting only the distinct ones).

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

The square root of 1122345 is about 1059.4078534729. The cubic root of 1122345 is about 103.9223100753.

Adding to 1122345 its reverse (5432211), we get a palindrome (6554556).

The spelling of 1122345 in words is "one million, one hundred twenty-two thousand, three hundred forty-five".