123842049 has 8 divisors (see below), whose sum is σ = 165175392. Its totient is φ = 82535040.

The previous prime is 123842041. The next prime is 123842077. The reversal of 123842049 is 940248321.

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

It is not a de Polignac number, because 123842049 - 2³ = 123842041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123842041) 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, 11454 + ... + 19464.

It is an arithmetic number, because the mean of its divisors is an integer number (20646924).

Almost surely, 2^123842049 is an apocalyptic number.

It is an amenable number.

123842049 is a deficient number, since it is larger than the sum of its proper divisors (41333343).

123842049 is an equidigital number, since it uses as much as digits as its factorization.

123842049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13167.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 123842049 is about 11128.4342564442. The cubic root of 123842049 is about 498.4512731767.

The spelling of 123842049 in words is "one hundred twenty-three million, eight hundred forty-two thousand, forty-nine".