148127191 has 2 divisors, whose sum is σ = 148127192. Its totient is φ = 148127190.

The previous prime is 148127179. The next prime is 148127197. The reversal of 148127191 is 191721841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 148127191 - 2²¹ = 146030039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148127197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74063595 + 74063596.

It is an arithmetic number, because the mean of its divisors is an integer number (74063596).

Almost surely, 2^148127191 is an apocalyptic number.

148127191 is a deficient number, since it is larger than the sum of its proper divisors (1).

148127191 is an equidigital number, since it uses as much as digits as its factorization.

148127191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 34.

The square root of 148127191 is about 12170.7514558469. The cubic root of 148127191 is about 529.1087322635.

The spelling of 148127191 in words is "one hundred forty-eight million, one hundred twenty-seven thousand, one hundred ninety-one".