127233091 has 2 divisors, whose sum is σ = 127233092. Its totient is φ = 127233090.

The previous prime is 127233077. The next prime is 127233109. The reversal of 127233091 is 190332721.

Together with next prime (127233109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 127233091 - 2⁵ = 127233059 is a prime.

It is not a weakly prime, because it can be changed into another prime (127233011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63616545 + 63616546.

It is an arithmetic number, because the mean of its divisors is an integer number (63616546).

Almost surely, 2^127233091 is an apocalyptic number.

127233091 is a deficient number, since it is larger than the sum of its proper divisors (1).

127233091 is an equidigital number, since it uses as much as digits as its factorization.

127233091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 127233091 is about 11279.7646695310. The cubic root of 127233091 is about 502.9598980976.

The spelling of 127233091 in words is "one hundred twenty-seven million, two hundred thirty-three thousand, ninety-one".