920137 has 2 divisors, whose sum is σ = 920138. Its totient is φ = 920136.

The previous prime is 920123. The next prime is 920147. The reversal of 920137 is 731029.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 881721 + 38416 = 939^2 + 196^2 .

It is a cyclic number.

It is not a de Polignac number, because 920137 - 2¹¹ = 918089 is a prime.

920137 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (920107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460068 + 460069.

It is an arithmetic number, because the mean of its divisors is an integer number (460069).

2⁹²⁰¹³⁷ is an apocalyptic number.

It is an amenable number.

920137 is a deficient number, since it is larger than the sum of its proper divisors (1).

920137 is an equidigital number, since it uses as much as digits as its factorization.

920137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 920137 is about 959.2377181909. The cubic root of 920137 is about 97.2637100877.

The spelling of 920137 in words is "nine hundred twenty thousand, one hundred thirty-seven".