920051 has 4 divisors (see below), whose sum is σ = 1003704. Its totient is φ = 836400.

The previous prime is 920039. The next prime is 920053. The reversal of 920051 is 150029.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-920051 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 920051.

It is not an unprimeable number, because it can be changed into a prime (920053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41810 + ... + 41831.

It is an arithmetic number, because the mean of its divisors is an integer number (250926).

2⁹²⁰⁰⁵¹ is an apocalyptic number.

920051 is a deficient number, since it is larger than the sum of its proper divisors (83653).

920051 is a wasteful number, since it uses less digits than its factorization.

920051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83652.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 920051 is about 959.1928898819. The cubic root of 920051 is about 97.2606797637.

The spelling of 920051 in words is "nine hundred twenty thousand, fifty-one".