123287041 has 4 divisors (see below), whose sum is σ = 126294084. Its totient is φ = 120280000.

The previous prime is 123287011. The next prime is 123287051. The reversal of 123287041 is 140782321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 140782321 = 17 ⋅8281313.

It can be written as a sum of positive squares in 2 ways, for example, as 43560000 + 79727041 = 6600^2 + 8929^2 .

It is a cyclic number.

It is not a de Polignac number, because 123287041 - 2⁷ = 123286913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123287011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1503460 + ... + 1503541.

It is an arithmetic number, because the mean of its divisors is an integer number (31573521).

Almost surely, 2^123287041 is an apocalyptic number.

It is an amenable number.

123287041 is a deficient number, since it is larger than the sum of its proper divisors (3007043).

123287041 is an equidigital number, since it uses as much as digits as its factorization.

123287041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3007042.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 123287041 is about 11103.4697730034. The cubic root of 123287041 is about 497.7055416945.

The spelling of 123287041 in words is "one hundred twenty-three million, two hundred eighty-seven thousand, forty-one".