120193897 has 2 divisors, whose sum is σ = 120193898. Its totient is φ = 120193896.

The previous prime is 120193889. The next prime is 120193933. The reversal of 120193897 is 798391021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72914521 + 47279376 = 8539^2 + 6876^2 .

It is a cyclic number.

It is not a de Polignac number, because 120193897 - 2³ = 120193889 is a prime.

It is not a weakly prime, because it can be changed into another prime (120193807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60096948 + 60096949.

It is an arithmetic number, because the mean of its divisors is an integer number (60096949).

Almost surely, 2^120193897 is an apocalyptic number.

It is an amenable number.

120193897 is a deficient number, since it is larger than the sum of its proper divisors (1).

120193897 is an equidigital number, since it uses as much as digits as its factorization.

120193897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 120193897 is about 10963.2977246812. The cubic root of 120193897 is about 493.5079336430.

The spelling of 120193897 in words is "one hundred twenty million, one hundred ninety-three thousand, eight hundred ninety-seven".