126401552 has 20 divisors (see below), whose sum is σ = 245082156. Its totient is φ = 63154560.

The previous prime is 126401533. The next prime is 126401581. The reversal of 126401552 is 255104621.

It can be written as a sum of positive squares in 2 ways, for example, as 47831056 + 78570496 = 6916^2 + 8864^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33758 + ... + 37314.

Almost surely, 2^126401552 is an apocalyptic number.

It is an amenable number.

126401552 is a deficient number, since it is larger than the sum of its proper divisors (118680604).

126401552 is a wasteful number, since it uses less digits than its factorization.

126401552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5786 (or 5780 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 126401552 is about 11242.8444799348. The cubic root of 126401552 is about 501.8617948353.

The spelling of 126401552 in words is "one hundred twenty-six million, four hundred one thousand, five hundred fifty-two".