127612481 has 2 divisors, whose sum is σ = 127612482. Its totient is φ = 127612480.

The previous prime is 127612477. The next prime is 127612543. The reversal of 127612481 is 184216721.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75411856 + 52200625 = 8684^2 + 7225^2 .

It is a cyclic number.

It is not a de Polignac number, because 127612481 - 2² = 127612477 is a prime.

It is a super-2 number, since 2×127612481² = 32569890613950722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (127612411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63806240 + 63806241.

It is an arithmetic number, because the mean of its divisors is an integer number (63806241).

Almost surely, 2^127612481 is an apocalyptic number.

It is an amenable number.

127612481 is a deficient number, since it is larger than the sum of its proper divisors (1).

127612481 is an equidigital number, since it uses as much as digits as its factorization.

127612481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 32.

The square root of 127612481 is about 11296.5694350099. The cubic root of 127612481 is about 503.4593190274.

The spelling of 127612481 in words is "one hundred twenty-seven million, six hundred twelve thousand, four hundred eighty-one".