12122949 has 8 divisors (see below), whose sum is σ = 16237312. Its totient is φ = 8045280.

The previous prime is 12122941. The next prime is 12122977. The reversal of 12122949 is 94922121.

It is a happy number.

12122949 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12122949 - 2³ = 12122941 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122941) 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, 8392 + ... + 9729.

It is an arithmetic number, because the mean of its divisors is an integer number (2029664).

Almost surely, 2^12122949 is an apocalyptic number.

It is an amenable number.

12122949 is a deficient number, since it is larger than the sum of its proper divisors (4114363).

12122949 is a wasteful number, since it uses less digits than its factorization.

12122949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18347.

The product of its digits is 2592, while the sum is 30.

The square root of 12122949 is about 3481.8025504040. The cubic root of 12122949 is about 229.7220902970.

It can be divided in two parts, 121229 and 49, that added together give a triangular number (121278 = T₄₉₂).

The spelling of 12122949 in words is "twelve million, one hundred twenty-two thousand, nine hundred forty-nine".