126287964 has 48 divisors (see below), whose sum is σ = 357181440. Its totient is φ = 38268720.

The previous prime is 126287957. The next prime is 126287969. The reversal of 126287964 is 469782621.

It is a happy number.

126287964 is a `hidden beast` number, since 12 + 628 + 7 + 9 + 6 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126287969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51964 + ... + 54339.

It is an arithmetic number, because the mean of its divisors is an integer number (7441280).

Almost surely, 2^126287964 is an apocalyptic number.

It is an amenable number.

126287964 is an abundant number, since it is smaller than the sum of its proper divisors (230893476).

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

126287964 is a wasteful number, since it uses less digits than its factorization.

126287964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106327 (or 106319 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 126287964 is about 11237.7917759674. The cubic root of 126287964 is about 501.7114207279.

The spelling of 126287964 in words is "one hundred twenty-six million, two hundred eighty-seven thousand, nine hundred sixty-four".