1445122 has 16 divisors (see below), whose sum is σ = 2502720. Its totient is φ = 613008.

The previous prime is 1445117. The next prime is 1445137. The reversal of 1445122 is 2215441.

It is a self number, because there is not a number n which added to its sum of digits gives 1445122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1053 + ... + 1999.

It is an arithmetic number, because the mean of its divisors is an integer number (156420).

2^1445122 is an apocalyptic number.

1445122 is a deficient number, since it is larger than the sum of its proper divisors (1057598).

1445122 is a wasteful number, since it uses less digits than its factorization.

1445122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065.

The product of its digits is 320, while the sum is 19.

The square root of 1445122 is about 1202.1322722563. The cubic root of 1445122 is about 113.0580535490.

The spelling of 1445122 in words is "one million, four hundred forty-five thousand, one hundred twenty-two".