120420659 has 2 divisors, whose sum is σ = 120420660. Its totient is φ = 120420658.

The previous prime is 120420637. The next prime is 120420697. The reversal of 120420659 is 956024021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120420659 - 2²⁴ = 103643443 is a prime.

It is a super-2 number, since 2×120420659² = 29002270227988562, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120423659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60210329 + 60210330.

It is an arithmetic number, because the mean of its divisors is an integer number (60210330).

Almost surely, 2^120420659 is an apocalyptic number.

120420659 is a deficient number, since it is larger than the sum of its proper divisors (1).

120420659 is an equidigital number, since it uses as much as digits as its factorization.

120420659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 120420659 is about 10973.6347214585. The cubic root of 120420659 is about 493.8180951001.

The spelling of 120420659 in words is "one hundred twenty million, four hundred twenty thousand, six hundred fifty-nine".