149817127 has 2 divisors, whose sum is σ = 149817128. Its totient is φ = 149817126.

The previous prime is 149817089. The next prime is 149817133. The reversal of 149817127 is 721718941.

149817127 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149817127 - 2¹⁵ = 149784359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149817127.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149812127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74908563 + 74908564.

It is an arithmetic number, because the mean of its divisors is an integer number (74908564).

Almost surely, 2^149817127 is an apocalyptic number.

149817127 is a deficient number, since it is larger than the sum of its proper divisors (1).

149817127 is an equidigital number, since it uses as much as digits as its factorization.

149817127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 40.

The square root of 149817127 is about 12239.9806780893. The cubic root of 149817127 is about 531.1132728276.

The spelling of 149817127 in words is "one hundred forty-nine million, eight hundred seventeen thousand, one hundred twenty-seven".