126309764 has 24 divisors (see below), whose sum is σ = 254025408. Its totient is φ = 53831520.

The previous prime is 126309763. The next prime is 126309769. The reversal of 126309764 is 467903621.

It is not an unprimeable number, because it can be changed into a prime (126309763) 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, 7394 + ... + 17529.

It is an arithmetic number, because the mean of its divisors is an integer number (10584392).

Almost surely, 2^126309764 is an apocalyptic number.

126309764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

126309764 is an abundant number, since it is smaller than the sum of its proper divisors (127715644).

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

126309764 is a wasteful number, since it uses less digits than its factorization.

126309764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25115 (or 25113 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 126309764 is about 11238.7616755584. The cubic root of 126309764 is about 501.7402877694.

The spelling of 126309764 in words is "one hundred twenty-six million, three hundred nine thousand, seven hundred sixty-four".