141991127 has 2 divisors, whose sum is σ = 141991128. Its totient is φ = 141991126.

The previous prime is 141991079. The next prime is 141991133. The reversal of 141991127 is 721199141.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 141991127 - 2⁶ = 141991063 is a prime.

It is a super-2 number, since 2×141991127² = 40322960293460258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141991177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70995563 + 70995564.

It is an arithmetic number, because the mean of its divisors is an integer number (70995564).

Almost surely, 2^141991127 is an apocalyptic number.

141991127 is a deficient number, since it is larger than the sum of its proper divisors (1).

141991127 is an equidigital number, since it uses as much as digits as its factorization.

141991127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 35.

The square root of 141991127 is about 11916.0029791873. The cubic root of 141991127 is about 521.6994778851.

The spelling of 141991127 in words is "one hundred forty-one million, nine hundred ninety-one thousand, one hundred twenty-seven".