126315775 has 12 divisors (see below), whose sum is σ = 156773200. Its totient is φ = 100961280.

The previous prime is 126315767. The next prime is 126315779. The reversal of 126315775 is 577513621.

It is not a de Polignac number, because 126315775 - 2³ = 126315767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126315779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45631 + ... + 48319.

Almost surely, 2^126315775 is an apocalyptic number.

126315775 is a deficient number, since it is larger than the sum of its proper divisors (30457425).

126315775 is a wasteful number, since it uses less digits than its factorization.

126315775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4578 (or 4573 counting only the distinct ones).

The product of its digits is 44100, while the sum is 37.

The square root of 126315775 is about 11239.0290950776. The cubic root of 126315775 is about 501.7482468085.

The spelling of 126315775 in words is "one hundred twenty-six million, three hundred fifteen thousand, seven hundred seventy-five".