126886271 has 8 divisors (see below), whose sum is σ = 128362320. Its totient is φ = 125415808.

The previous prime is 126886261. The next prime is 126886303. The reversal of 126886271 is 172688621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126886271 is a prime.

It is a super-2 number, since 2×126886271² = 32200251536570882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126886241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58535 + ... + 60663.

It is an arithmetic number, because the mean of its divisors is an integer number (16045290).

Almost surely, 2^126886271 is an apocalyptic number.

126886271 is a deficient number, since it is larger than the sum of its proper divisors (1476049).

126886271 is a wasteful number, since it uses less digits than its factorization.

126886271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2793.

The product of its digits is 64512, while the sum is 41.

The square root of 126886271 is about 11264.3806309979. The cubic root of 126886271 is about 502.5024822695.

The spelling of 126886271 in words is "one hundred twenty-six million, eight hundred eighty-six thousand, two hundred seventy-one".