126445388 has 12 divisors (see below), whose sum is σ = 234295992. Its totient is φ = 59503680.

The previous prime is 126445367. The next prime is 126445393. The reversal of 126445388 is 883544621.

It is a super-2 number, since 2×126445388² = 31976872292941088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 929678 + ... + 929813.

It is an arithmetic number, because the mean of its divisors is an integer number (19524666).

Almost surely, 2^126445388 is an apocalyptic number.

It is an amenable number.

126445388 is a deficient number, since it is larger than the sum of its proper divisors (107850604).

126445388 is a wasteful number, since it uses less digits than its factorization.

126445388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859512 (or 1859510 counting only the distinct ones).

The product of its digits is 184320, while the sum is 41.

The square root of 126445388 is about 11244.7938175851. The cubic root of 126445388 is about 501.9198032765.

The spelling of 126445388 in words is "one hundred twenty-six million, four hundred forty-five thousand, three hundred eighty-eight".