126352784 has 10 divisors (see below), whose sum is σ = 244808550. Its totient is φ = 63176384.

The previous prime is 126352781. The next prime is 126352829. The reversal of 126352784 is 487253621.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 122589184 + 3763600 = 11072^2 + 1940^2 .

It is not an unprimeable number, because it can be changed into a prime (126352781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3948509 + ... + 3948540.

It is an arithmetic number, because the mean of its divisors is an integer number (24480855).

Almost surely, 2^126352784 is an apocalyptic number.

It is an amenable number.

126352784 is a deficient number, since it is larger than the sum of its proper divisors (118455766).

126352784 is an equidigital number, since it uses as much as digits as its factorization.

126352784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7897057 (or 7897051 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

The square root of 126352784 is about 11240.6754245463. The cubic root of 126352784 is about 501.7972440870.

The spelling of 126352784 in words is "one hundred twenty-six million, three hundred fifty-two thousand, seven hundred eighty-four".