126320136 has 32 divisors (see below), whose sum is σ = 317701440. Its totient is φ = 41853248.

The previous prime is 126320123. The next prime is 126320137. The reversal of 126320136 is 631023621.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (126320137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11751 + ... + 19766.

It is an arithmetic number, because the mean of its divisors is an integer number (9928170).

Almost surely, 2^126320136 is an apocalyptic number.

It is an amenable number.

126320136 is an abundant number, since it is smaller than the sum of its proper divisors (191381304).

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

126320136 is a wasteful number, since it uses less digits than its factorization.

126320136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31693 (or 31689 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 126320136 is about 11239.2231048236. The cubic root of 126320136 is about 501.7540209591.

Adding to 126320136 its reverse (631023621), we get a palindrome (757343757).

The spelling of 126320136 in words is "one hundred twenty-six million, three hundred twenty thousand, one hundred thirty-six".