6121449 has 6 divisors (see below), whose sum is σ = 8842106. Its totient is φ = 4080960.

The previous prime is 6121441. The next prime is 6121457. The reversal of 6121449 is 9441216.

6121449 is a `hidden beast` number, since 612 + 1 + 4 + 49 = 666.

It is an interprime number because it is at equal distance from previous prime (6121441) and next prime (6121457).

It can be written as a sum of positive squares in only one way, i.e., 4347225 + 1774224 = 2085^2 + 1332^2 .

It is not a de Polignac number, because 6121449 - 2³ = 6121441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6121441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 340072 + ... + 340089.

Almost surely, 2^6121449 is an apocalyptic number.

It is an amenable number.

6121449 is a deficient number, since it is larger than the sum of its proper divisors (2720657).

6121449 is a wasteful number, since it uses less digits than its factorization.

6121449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680167 (or 680164 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 6121449 is about 2474.1562198050. The cubic root of 6121449 is about 182.9299203133.

The spelling of 6121449 in words is "six million, one hundred twenty-one thousand, four hundred forty-nine".