6121091 has 2 divisors, whose sum is σ = 6121092. Its totient is φ = 6121090.

The previous prime is 6121067. The next prime is 6121099. The reversal of 6121091 is 1901216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6121091 - 2¹⁸ = 5858947 is a prime.

It is not a weakly prime, because it can be changed into another prime (6121099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3060545 + 3060546.

It is an arithmetic number, because the mean of its divisors is an integer number (3060546).

Almost surely, 2^6121091 is an apocalyptic number.

6121091 is a deficient number, since it is larger than the sum of its proper divisors (1).

6121091 is an equidigital number, since it uses as much as digits as its factorization.

6121091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 6121091 is about 2474.0838708500. The cubic root of 6121091 is about 182.9263541539.

The spelling of 6121091 in words is "six million, one hundred twenty-one thousand, ninety-one".