126201136 has 20 divisors (see below), whose sum is σ = 244906200. Its totient is φ = 62999552.

The previous prime is 126201113. The next prime is 126201137. The reversal of 126201136 is 631102621.

It is not an unprimeable number, because it can be changed into a prime (126201137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4560 + ... + 16528.

It is an arithmetic number, because the mean of its divisors is an integer number (12245310).

Almost surely, 2^126201136 is an apocalyptic number.

126201136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

126201136 is a deficient number, since it is larger than the sum of its proper divisors (118705064).

126201136 is a wasteful number, since it uses less digits than its factorization.

126201136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12636 (or 12630 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 126201136 is about 11233.9278972228. The cubic root of 126201136 is about 501.5964121783.

Adding to 126201136 its reverse (631102621), we get a palindrome (757303757).

The spelling of 126201136 in words is "one hundred twenty-six million, two hundred one thousand, one hundred thirty-six".