123949941 has 16 divisors (see below), whose sum is σ = 175737600. Its totient is φ = 77439488.

The previous prime is 123949937. The next prime is 123949961. The reversal of 123949941 is 149949321.

It is not a de Polignac number, because 123949941 - 2² = 123949937 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 123949893 and 123949902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123949961) 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, 7105 + ... + 17273.

It is an arithmetic number, because the mean of its divisors is an integer number (10983600).

Almost surely, 2^123949941 is an apocalyptic number.

It is an amenable number.

123949941 is a deficient number, since it is larger than the sum of its proper divisors (51787659).

123949941 is a wasteful number, since it uses less digits than its factorization.

123949941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10428.

The product of its digits is 69984, while the sum is 42.

The square root of 123949941 is about 11133.2807833091. The cubic root of 123949941 is about 498.5959824933.

The spelling of 123949941 in words is "one hundred twenty-three million, nine hundred forty-nine thousand, nine hundred forty-one".