120920887 has 2 divisors, whose sum is σ = 120920888. Its totient is φ = 120920886.

The previous prime is 120920873. The next prime is 120920897. The reversal of 120920887 is 788029021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120920887 - 2¹¹ = 120918839 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120920897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60460443 + 60460444.

It is an arithmetic number, because the mean of its divisors is an integer number (60460444).

Almost surely, 2^120920887 is an apocalyptic number.

120920887 is a deficient number, since it is larger than the sum of its proper divisors (1).

120920887 is an equidigital number, since it uses as much as digits as its factorization.

120920887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 120920887 is about 10996.4033665558. The cubic root of 120920887 is about 494.5009247305.

The spelling of 120920887 in words is "one hundred twenty million, nine hundred twenty thousand, eight hundred eighty-seven".