126040445 has 8 divisors (see below), whose sum is σ = 151396440. Its totient is φ = 100733760.

The previous prime is 126040429. The next prime is 126040469. The reversal of 126040445 is 544040621.

It can be written as a sum of positive squares in 4 ways, for example, as 4401604 + 121638841 = 2098^2 + 11029^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 126040445 - 2⁴ = 126040429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6446 + ... + 17135.

It is an arithmetic number, because the mean of its divisors is an integer number (18924555).

Almost surely, 2^126040445 is an apocalyptic number.

It is an amenable number.

126040445 is a deficient number, since it is larger than the sum of its proper divisors (25355995).

126040445 is a wasteful number, since it uses less digits than its factorization.

126040445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24655.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 126040445 is about 11226.7735792613. The cubic root of 126040445 is about 501.3834287197.

The spelling of 126040445 in words is "one hundred twenty-six million, forty thousand, four hundred forty-five".