6121949 has 2 divisors, whose sum is σ = 6121950. Its totient is φ = 6121948.

The previous prime is 6121943. The next prime is 6121957. The reversal of 6121949 is 9491216.

6121949 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3422500 + 2699449 = 1850^2 + 1643^2 .

It is a cyclic number.

It is not a de Polignac number, because 6121949 - 2²⁰ = 5073373 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6121943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3060974 + 3060975.

It is an arithmetic number, because the mean of its divisors is an integer number (3060975).

Almost surely, 2^6121949 is an apocalyptic number.

It is an amenable number.

6121949 is a deficient number, since it is larger than the sum of its proper divisors (1).

6121949 is an equidigital number, since it uses as much as digits as its factorization.

6121949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 32.

The square root of 6121949 is about 2474.2572622910. The cubic root of 6121949 is about 182.9349007501.

The spelling of 6121949 in words is "six million, one hundred twenty-one thousand, nine hundred forty-nine".