123676261 has 8 divisors (see below), whose sum is σ = 125184024. Its totient is φ = 122173440.

The previous prime is 123676253. The next prime is 123676307. The reversal of 123676261 is 162676321.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 44100 + 123632161 = 210^2 + 11119^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123676261 - 2³ = 123676253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123676061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78861 + ... + 80413.

It is an arithmetic number, because the mean of its divisors is an integer number (15648003).

Almost surely, 2^123676261 is an apocalyptic number.

It is an amenable number.

123676261 is a deficient number, since it is larger than the sum of its proper divisors (1507763).

123676261 is an equidigital number, since it uses as much as digits as its factorization.

123676261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471.

The product of its digits is 18144, while the sum is 34.

The square root of 123676261 is about 11120.9829151923. The cubic root of 123676261 is about 498.2287474045.

The spelling of 123676261 in words is "one hundred twenty-three million, six hundred seventy-six thousand, two hundred sixty-one".