127022149 has 2 divisors, whose sum is σ = 127022150. Its totient is φ = 127022148.

The previous prime is 127022111. The next prime is 127022173. The reversal of 127022149 is 941220721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73102500 + 53919649 = 8550^2 + 7343^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127022149 is a prime.

It is a super-2 number, since 2×127022149² = 32269252673156402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127026149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63511074 + 63511075.

It is an arithmetic number, because the mean of its divisors is an integer number (63511075).

Almost surely, 2^127022149 is an apocalyptic number.

It is an amenable number.

127022149 is a deficient number, since it is larger than the sum of its proper divisors (1).

127022149 is an equidigital number, since it uses as much as digits as its factorization.

127022149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 127022149 is about 11270.4103297085. The cubic root of 127022149 is about 502.6817889660.

The spelling of 127022149 in words is "one hundred twenty-seven million, twenty-two thousand, one hundred forty-nine".