1955122 has 16 divisors (see below), whose sum is σ = 3268440. Its totient is φ = 870912.

The previous prime is 1955113. The next prime is 1955123. The reversal of 1955122 is 2215591.

It can be written as a sum of positive squares in 4 ways, for example, as 1466521 + 488601 = 1211^2 + 699^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1955123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543 + ... + 2050.

2^1955122 is an apocalyptic number.

1955122 is a deficient number, since it is larger than the sum of its proper divisors (1313318).

1955122 is a wasteful number, since it uses less digits than its factorization.

1955122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2637.

The product of its digits is 900, while the sum is 25.

The square root of 1955122 is about 1398.2567718413. The cubic root of 1955122 is about 125.0425881550.

The spelling of 1955122 in words is "one million, nine hundred fifty-five thousand, one hundred twenty-two".