126998951 has 2 divisors, whose sum is σ = 126998952. Its totient is φ = 126998950.

The previous prime is 126998933. The next prime is 126998953. The reversal of 126998951 is 159899621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126998951 - 2⁶ = 126998887 is a prime.

It is a super-2 number, since 2×126998951² = 32257467110200802, which contains 22 as substring.

Together with 126998953, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126998951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126998953) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63499475 + 63499476.

It is an arithmetic number, because the mean of its divisors is an integer number (63499476).

Almost surely, 2^126998951 is an apocalyptic number.

126998951 is a deficient number, since it is larger than the sum of its proper divisors (1).

126998951 is an equidigital number, since it uses as much as digits as its factorization.

126998951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 50.

The square root of 126998951 is about 11269.3811276396. The cubic root of 126998951 is about 502.6511855838.

The spelling of 126998951 in words is "one hundred twenty-six million, nine hundred ninety-eight thousand, nine hundred fifty-one".