127996951 has 2 divisors, whose sum is σ = 127996952. Its totient is φ = 127996950.

The previous prime is 127996937. The next prime is 127996969. The reversal of 127996951 is 159699721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 127996951 - 2¹⁷ = 127865879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 127996895 and 127996904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127999951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63998475 + 63998476.

It is an arithmetic number, because the mean of its divisors is an integer number (63998476).

Almost surely, 2^127996951 is an apocalyptic number.

127996951 is a deficient number, since it is larger than the sum of its proper divisors (1).

127996951 is an equidigital number, since it uses as much as digits as its factorization.

127996951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 306180, while the sum is 49.

The square root of 127996951 is about 11313.5737501463. The cubic root of 127996951 is about 503.9644183644.

The spelling of 127996951 in words is "one hundred twenty-seven million, nine hundred ninety-six thousand, nine hundred fifty-one".