120206477 has 2 divisors, whose sum is σ = 120206478. Its totient is φ = 120206476.

The previous prime is 120206467. The next prime is 120206497. The reversal of 120206477 is 774602021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72403081 + 47803396 = 8509^2 + 6914^2 .

It is a cyclic number.

It is not a de Polignac number, because 120206477 - 2²⁰ = 119157901 is a prime.

It is a super-2 number, since 2×120206477² = 28899194225503058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120206467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60103238 + 60103239.

It is an arithmetic number, because the mean of its divisors is an integer number (60103239).

Almost surely, 2^120206477 is an apocalyptic number.

It is an amenable number.

120206477 is a deficient number, since it is larger than the sum of its proper divisors (1).

120206477 is an equidigital number, since it uses as much as digits as its factorization.

120206477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 120206477 is about 10963.8714421504. The cubic root of 120206477 is about 493.5251505827.

Adding to 120206477 its reverse (774602021), we get a palindrome (894808498).

The spelling of 120206477 in words is "one hundred twenty million, two hundred six thousand, four hundred seventy-seven".