6121129 has 12 divisors (see below), whose sum is σ = 7257924. Its totient is φ = 5145504.

The previous prime is 6121121. The next prime is 6121201. The reversal of 6121129 is 9211216.

It can be written as a sum of positive squares in 2 ways, for example, as 2706025 + 3415104 = 1645^2 + 1848^2 .

It is not a de Polignac number, because 6121129 - 2³ = 6121121 is a prime.

It is a Duffinian number.

6121129 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6121121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1419 + ... + 3775.

It is an arithmetic number, because the mean of its divisors is an integer number (604827).

Almost surely, 2^6121129 is an apocalyptic number.

It is an amenable number.

6121129 is a deficient number, since it is larger than the sum of its proper divisors (1136795).

6121129 is a wasteful number, since it uses less digits than its factorization.

6121129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424 (or 2417 counting only the distinct ones).

The product of its digits is 216, while the sum is 22.

The square root of 6121129 is about 2474.0915504484. The cubic root of 6121129 is about 182.9267326914.

The spelling of 6121129 in words is "six million, one hundred twenty-one thousand, one hundred twenty-nine".