123727241 has 16 divisors (see below), whose sum is σ = 143296128. Its totient is φ = 105580800.

The previous prime is 123727199. The next prime is 123727271. The reversal of 123727241 is 142727321.

It is a cyclic number.

It is not a de Polignac number, because 123727241 - 2²² = 119532937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123727271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100556 + ... + 101778.

It is an arithmetic number, because the mean of its divisors is an integer number (8956008).

Almost surely, 2^123727241 is an apocalyptic number.

123727241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123727241 is a deficient number, since it is larger than the sum of its proper divisors (19568887).

123727241 is a wasteful number, since it uses less digits than its factorization.

123727241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792.

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

The square root of 123727241 is about 11123.2747426286. The cubic root of 123727241 is about 498.2971954968.

The spelling of 123727241 in words is "one hundred twenty-three million, seven hundred twenty-seven thousand, two hundred forty-one".