126215886 has 8 divisors (see below), whose sum is σ = 252431784. Its totient is φ = 42071960.

The previous prime is 126215863. The next prime is 126215909. The reversal of 126215886 is 688512621.

It is an interprime number because it is at equal distance from previous prime (126215863) and next prime (126215909).

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

126215886 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10517985 + ... + 10517996.

It is an arithmetic number, because the mean of its divisors is an integer number (31553973).

Almost surely, 2^126215886 is an apocalyptic number.

126215886 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126215886 is a wasteful number, since it uses less digits than its factorization.

126215886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21035986.

The product of its digits is 46080, while the sum is 39.

The square root of 126215886 is about 11234.5843714843. The cubic root of 126215886 is about 501.6159530982.

The spelling of 126215886 in words is "one hundred twenty-six million, two hundred fifteen thousand, eight hundred eighty-six".