6121397 has 2 divisors, whose sum is σ = 6121398. Its totient is φ = 6121396.

The previous prime is 6121369. The next prime is 6121403. The reversal of 6121397 is 7931216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5564881 + 556516 = 2359^2 + 746^2 .

It is a cyclic number.

It is not a de Polignac number, because 6121397 - 2¹⁴ = 6105013 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6121337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3060698 + 3060699.

It is an arithmetic number, because the mean of its divisors is an integer number (3060699).

Almost surely, 2^6121397 is an apocalyptic number.

It is an amenable number.

6121397 is a deficient number, since it is larger than the sum of its proper divisors (1).

6121397 is an equidigital number, since it uses as much as digits as its factorization.

6121397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 29.

The square root of 6121397 is about 2474.1457111496. The cubic root of 6121397 is about 182.9294023323.

The spelling of 6121397 in words is "six million, one hundred twenty-one thousand, three hundred ninety-seven".