120920903 has 2 divisors, whose sum is σ = 120920904. Its totient is φ = 120920902.

The previous prime is 120920897. The next prime is 120920927. The reversal of 120920903 is 309029021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120920903 - 2⁴ = 120920887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120920953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60460451 + 60460452.

It is an arithmetic number, because the mean of its divisors is an integer number (60460452).

Almost surely, 2^120920903 is an apocalyptic number.

120920903 is a deficient number, since it is larger than the sum of its proper divisors (1).

120920903 is an equidigital number, since it uses as much as digits as its factorization.

120920903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 120920903 is about 10996.4040940664. The cubic root of 120920903 is about 494.5009465409.

Adding to 120920903 its reverse (309029021), we get a palindrome (429949924).

The spelling of 120920903 in words is "one hundred twenty million, nine hundred twenty thousand, nine hundred three".