126959671 has 2 divisors, whose sum is σ = 126959672. Its totient is φ = 126959670.

The previous prime is 126959659. The next prime is 126959687. The reversal of 126959671 is 176959621.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126959671 is a prime.

It is a super-2 number, since 2×126959671² = 32237516120856482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126959611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63479835 + 63479836.

It is an arithmetic number, because the mean of its divisors is an integer number (63479836).

Almost surely, 2^126959671 is an apocalyptic number.

126959671 is a deficient number, since it is larger than the sum of its proper divisors (1).

126959671 is an equidigital number, since it uses as much as digits as its factorization.

126959671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 46.

The square root of 126959671 is about 11267.6382174793. The cubic root of 126959671 is about 502.5993579261.

It can be divided in two parts, 12695 and 9671, that added together give a triangular number (22366 = T₂₁₁).

The spelling of 126959671 in words is "one hundred twenty-six million, nine hundred fifty-nine thousand, six hundred seventy-one".