126886736 has 10 divisors (see below), whose sum is σ = 245843082. Its totient is φ = 63443360.

The previous prime is 126886733. The next prime is 126886763. The reversal of 126886736 is 637688621.

It can be written as a sum of positive squares in only one way, i.e., 83905600 + 42981136 = 9160^2 + 6556^2 .

It is a super-2 number, since 2×126886736² = 32200487545467392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126886733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3965195 + ... + 3965226.

Almost surely, 2^126886736 is an apocalyptic number.

126886736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

126886736 is a deficient number, since it is larger than the sum of its proper divisors (118956346).

126886736 is an equidigital number, since it uses as much as digits as its factorization.

126886736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7930429 (or 7930423 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 126886736 is about 11264.4012712616. The cubic root of 126886736 is about 502.5030961089.

The spelling of 126886736 in words is "one hundred twenty-six million, eight hundred eighty-six thousand, seven hundred thirty-six".