6121097971 has 2 divisors, whose sum is σ = 6121097972. Its totient is φ = 6121097970.

The previous prime is 6121097921. The next prime is 6121097977. The reversal of 6121097971 is 1797901216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6121097971 - 2¹⁷ = 6120966899 is a prime.

It is a super-3 number, since 3×6121097971³ (a number of 30 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (6121097977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3060548985 + 3060548986.

It is an arithmetic number, because the mean of its divisors is an integer number (3060548986).

Almost surely, 2^6121097971 is an apocalyptic number.

6121097971 is a deficient number, since it is larger than the sum of its proper divisors (1).

6121097971 is an equidigital number, since it uses as much as digits as its factorization.

6121097971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628, while the sum is 43.

The square root of 6121097971 is about 78237.4460920089. The cubic root of 6121097971 is about 1829.2642359575.

The spelling of 6121097971 in words is "six billion, one hundred twenty-one million, ninety-seven thousand, nine hundred seventy-one".