1345122 has 12 divisors (see below), whose sum is σ = 2914470. Its totient is φ = 448368.

The previous prime is 1345117. The next prime is 1345129. The reversal of 1345122 is 2215431.

It can be written as a sum of positive squares in only one way, i.e., 1185921 + 159201 = 1089^2 + 399^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 74729 = 1345122 / (1 + 3 + 4 + 5 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 1345095 and 1345104.

It is not an unprimeable number, because it can be changed into a prime (1345129) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37347 + ... + 37382.

2^1345122 is an apocalyptic number.

1345122 is an abundant number, since it is smaller than the sum of its proper divisors (1569348).

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

1345122 is a wasteful number, since it uses less digits than its factorization.

1345122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74737 (or 74734 counting only the distinct ones).

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

The square root of 1345122 is about 1159.7939472165. The cubic root of 1345122 is about 110.3876679672.

The spelling of 1345122 in words is "one million, three hundred forty-five thousand, one hundred twenty-two".