126145764 has 36 divisors (see below), whose sum is σ = 321208524. Its totient is φ = 41740032.

The previous prime is 126145757. The next prime is 126145781. The reversal of 126145764 is 467541621.

It can be written as a sum of positive squares in 2 ways, for example, as 33177600 + 92968164 = 5760^2 + 9642^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 7857 + ... + 17720.

It is an arithmetic number, because the mean of its divisors is an integer number (8922459).

Almost surely, 2^126145764 is an apocalyptic number.

It is an amenable number.

126145764 is an abundant number, since it is smaller than the sum of its proper divisors (195062760).

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

126145764 is a wasteful number, since it uses less digits than its factorization.

126145764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25724 (or 25719 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 126145764 is about 11231.4631281948. The cubic root of 126145764 is about 501.5230413131.

The spelling of 126145764 in words is "one hundred twenty-six million, one hundred forty-five thousand, seven hundred sixty-four".