124277 has 2 divisors, whose sum is σ = 124278. Its totient is φ = 124276.

The previous prime is 124249. The next prime is 124291. The reversal of 124277 is 772421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96721 + 27556 = 311^2 + 166^2 .

It is a cyclic number.

It is not a de Polignac number, because 124277 - 2⁶ = 124213 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 1 + 2 + 2⁷ + 4⁶ + 7⁴ + 7⁶ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62138 + 62139.

It is an arithmetic number, because the mean of its divisors is an integer number (62139).

2¹²⁴²⁷⁷ is an apocalyptic number.

It is an amenable number.

124277 is a deficient number, since it is larger than the sum of its proper divisors (1).

124277 is an equidigital number, since it uses as much as digits as its factorization.

124277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 784, while the sum is 23.

The square root of 124277 is about 352.5294313955. The cubic root of 124277 is about 49.9034135413.

Adding to 124277 its reverse (772421), we get a palindrome (896698).

The spelling of 124277 in words is "one hundred twenty-four thousand, two hundred seventy-seven", and thus it is an iban number.