1955087 has 4 divisors (see below), whose sum is σ = 1957896. Its totient is φ = 1952280.

The previous prime is 1955071. The next prime is 1955099. The reversal of 1955087 is 7805591.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1955087 - 2⁴ = 1955071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1955027) 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, 512 + ... + 2042.

It is an arithmetic number, because the mean of its divisors is an integer number (489474).

2^1955087 is an apocalyptic number.

1955087 is a deficient number, since it is larger than the sum of its proper divisors (2809).

1955087 is a wasteful number, since it uses less digits than its factorization.

1955087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808.

The product of its (nonzero) digits is 12600, while the sum is 35.

The square root of 1955087 is about 1398.2442562013. The cubic root of 1955087 is about 125.0418419924.

The spelling of 1955087 in words is "one million, nine hundred fifty-five thousand, eighty-seven".