1955101 has 4 divisors (see below), whose sum is σ = 1959804. Its totient is φ = 1950400.

The previous prime is 1955099. The next prime is 1955113. The reversal of 1955101 is 1015591.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1428025 + 527076 = 1195^2 + 726^2 .

It is a cyclic number.

It is not a de Polignac number, because 1955101 - 2¹ = 1955099 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1955131) 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 3 ways as a sum of consecutive naturals, for example, 1660 + ... + 2581.

It is an arithmetic number, because the mean of its divisors is an integer number (489951).

2^1955101 is an apocalyptic number.

It is an amenable number.

1955101 is a deficient number, since it is larger than the sum of its proper divisors (4703).

1955101 is an equidigital number, since it uses as much as digits as its factorization.

1955101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4702.

The product of its (nonzero) digits is 225, while the sum is 22.

The square root of 1955101 is about 1398.2492624708. The cubic root of 1955101 is about 125.0421404585.

The spelling of 1955101 in words is "one million, nine hundred fifty-five thousand, one hundred one".