6121889 has 2 divisors, whose sum is σ = 6121890. Its totient is φ = 6121888.

The previous prime is 6121883. The next prime is 6121897. The reversal of 6121889 is 9881216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6027025 + 94864 = 2455^2 + 308^2 .

It is a cyclic number.

It is not a de Polignac number, because 6121889 - 2⁴ = 6121873 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (6121883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3060944 + 3060945.

It is an arithmetic number, because the mean of its divisors is an integer number (3060945).

Almost surely, 2^6121889 is an apocalyptic number.

It is an amenable number.

6121889 is a deficient number, since it is larger than the sum of its proper divisors (1).

6121889 is an equidigital number, since it uses as much as digits as its factorization.

6121889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 35.

The square root of 6121889 is about 2474.2451374106. The cubic root of 6121889 is about 182.9343031120.

The spelling of 6121889 in words is "six million, one hundred twenty-one thousand, eight hundred eighty-nine".