120877 has 2 divisors, whose sum is σ = 120878. Its totient is φ = 120876.

The previous prime is 120871. The next prime is 120889. The reversal of 120877 is 778021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90601 + 30276 = 301^2 + 174^2 .

It is a cyclic number.

It is not a de Polignac number, because 120877 - 2⁷ = 120749 is a prime.

It is a super-2 number, since 2×120877² = 29222498258, which contains 22 as substring.

120877 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60438 + 60439.

It is an arithmetic number, because the mean of its divisors is an integer number (60439).

2¹²⁰⁸⁷⁷ is an apocalyptic number.

It is an amenable number.

120877 is a deficient number, since it is larger than the sum of its proper divisors (1).

120877 is an equidigital number, since it uses as much as digits as its factorization.

120877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 120877 is about 347.6736975959. The cubic root of 120877 is about 49.4441092806. Note that the first 3 decimals are identical.

Adding to 120877 its reverse (778021), we get a palindrome (898898).

The spelling of 120877 in words is "one hundred twenty thousand, eight hundred seventy-seven".