120405797 has 2 divisors, whose sum is σ = 120405798. Its totient is φ = 120405796.

The previous prime is 120405787. The next prime is 120405811. The reversal of 120405797 is 797504021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95863681 + 24542116 = 9791^2 + 4954^2 .

It is a cyclic number.

It is not a de Polignac number, because 120405797 - 2⁸ = 120405541 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 (120405787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60202898 + 60202899.

It is an arithmetic number, because the mean of its divisors is an integer number (60202899).

Almost surely, 2^120405797 is an apocalyptic number.

It is an amenable number.

120405797 is a deficient number, since it is larger than the sum of its proper divisors (1).

120405797 is an equidigital number, since it uses as much as digits as its factorization.

120405797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 120405797 is about 10972.9575320421. The cubic root of 120405797 is about 493.7977790222.

The spelling of 120405797 in words is "one hundred twenty million, four hundred five thousand, seven hundred ninety-seven".