920103187 has 2 divisors, whose sum is σ = 920103188. Its totient is φ = 920103186.

The previous prime is 920103143. The next prime is 920103203. The reversal of 920103187 is 781301029.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-920103187 is a prime.

It is not a weakly prime, because it can be changed into another prime (920103127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460051593 + 460051594.

It is an arithmetic number, because the mean of its divisors is an integer number (460051594).

Almost surely, 2^920103187 is an apocalyptic number.

920103187 is a deficient number, since it is larger than the sum of its proper divisors (1).

920103187 is an equidigital number, since it uses as much as digits as its factorization.

920103187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 920103187 is about 30333.2027158360. The cubic root of 920103187 is about 972.6251866433.

The spelling of 920103187 in words is "nine hundred twenty million, one hundred three thousand, one hundred eighty-seven".