123104949 has 8 divisors (see below), whose sum is σ = 179061792. Its totient is φ = 74609040.

The previous prime is 123104941. The next prime is 123104951. The reversal of 123104949 is 949401321.

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

It is not a de Polignac number, because 123104949 - 2³ = 123104941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 3730453 = 123104949 / (1 + 2 + 3 + 1 + 0 + 4 + 9 + 4 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123104941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1865194 + ... + 1865259.

It is an arithmetic number, because the mean of its divisors is an integer number (22382724).

Almost surely, 2^123104949 is an apocalyptic number.

It is an amenable number.

123104949 is a deficient number, since it is larger than the sum of its proper divisors (55956843).

123104949 is a wasteful number, since it uses less digits than its factorization.

123104949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3730467.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 123104949 is about 11095.2669638905. The cubic root of 123104949 is about 497.4603879136.

The spelling of 123104949 in words is "one hundred twenty-three million, one hundred four thousand, nine hundred forty-nine".