6123949 has 4 divisors (see below), whose sum is σ = 6595036. Its totient is φ = 5652864.

The previous prime is 6123941. The next prime is 6123967. The reversal of 6123949 is 9493216.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1671849 + 4452100 = 1293^2 + 2110^2 .

It is a cyclic number.

It is not a de Polignac number, because 6123949 - 2³ = 6123941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6123941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235524 + ... + 235549.

It is an arithmetic number, because the mean of its divisors is an integer number (1648759).

Almost surely, 2^6123949 is an apocalyptic number.

It is an amenable number.

6123949 is a deficient number, since it is larger than the sum of its proper divisors (471087).

6123949 is a wasteful number, since it uses less digits than its factorization.

6123949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471086.

The product of its digits is 11664, while the sum is 34.

The square root of 6123949 is about 2474.6613909786. The cubic root of 6123949 is about 182.9548197860.

The spelling of 6123949 in words is "six million, one hundred twenty-three thousand, nine hundred forty-nine".