126265940 has 24 divisors (see below), whose sum is σ = 267251712. Its totient is φ = 50107680.

The previous prime is 126265939. The next prime is 126265943. The reversal of 126265940 is 49562621.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 126265940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126265943) 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 7 ways as a sum of consecutive naturals, for example, 22316 + ... + 27395.

It is an arithmetic number, because the mean of its divisors is an integer number (11135488).

Almost surely, 2^126265940 is an apocalyptic number.

126265940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126265940 is an abundant number, since it is smaller than the sum of its proper divisors (140985772).

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

126265940 is a wasteful number, since it uses less digits than its factorization.

126265940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49847 (or 49845 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 126265940 is about 11236.8118254245. The cubic root of 126265940 is about 501.6822536973.

The spelling of 126265940 in words is "one hundred twenty-six million, two hundred sixty-five thousand, nine hundred forty".