1345000122 has 24 divisors (see below), whose sum is σ = 2951058240. Its totient is φ = 442657800.

The previous prime is 1345000099. The next prime is 1345000123. The reversal of 1345000122 is 2210005431.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1345000095 and 1345000104.

It is not an unprimeable number, because it can be changed into a prime (1345000123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 471504 + ... + 474347.

It is an arithmetic number, because the mean of its divisors is an integer number (122960760).

Almost surely, 2^1345000122 is an apocalyptic number.

1345000122 is an abundant number, since it is smaller than the sum of its proper divisors (1606058118).

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

1345000122 is a wasteful number, since it uses less digits than its factorization.

1345000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945938 (or 945935 counting only the distinct ones).

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

The square root of 1345000122 is about 36674.2433050772. The cubic root of 1345000122 is about 1103.8433388683.

Adding to 1345000122 its reverse (2210005431), we get a palindrome (3555005553).

The spelling of 1345000122 in words is "one billion, three hundred forty-five million, one hundred twenty-two", and thus it is an aban number.