126871855 has 8 divisors (see below), whose sum is σ = 166086864. Its totient is φ = 92270400.

The previous prime is 126871837. The next prime is 126871879. The reversal of 126871855 is 558178621.

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

It is not a de Polignac number, because 126871855 - 2¹³ = 126863663 is a prime.

It is a super-2 number, since 2×126871855² = 32192935182282050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1153326 + ... + 1153435.

It is an arithmetic number, because the mean of its divisors is an integer number (20760858).

Almost surely, 2^126871855 is an apocalyptic number.

126871855 is a deficient number, since it is larger than the sum of its proper divisors (39215009).

126871855 is a wasteful number, since it uses less digits than its factorization.

126871855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306777.

The product of its digits is 134400, while the sum is 43.

The square root of 126871855 is about 11263.7407196721. The cubic root of 126871855 is about 502.4834511847.

The spelling of 126871855 in words is "one hundred twenty-six million, eight hundred seventy-one thousand, eight hundred fifty-five".