126005075 has 24 divisors (see below), whose sum is σ = 180360480. Its totient is φ = 85536000.

The previous prime is 126005053. The next prime is 126005083. The reversal of 126005075 is 570500621.

It is a de Polignac number, because none of the positive numbers 2^k-126005075 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14111 + ... + 21239.

It is an arithmetic number, because the mean of its divisors is an integer number (7515020).

Almost surely, 2^126005075 is an apocalyptic number.

126005075 is a deficient number, since it is larger than the sum of its proper divisors (54355405).

126005075 is a wasteful number, since it uses less digits than its factorization.

126005075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7247 (or 7242 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 126005075 is about 11225.1982165127. The cubic root of 126005075 is about 501.3365242228.

Adding to 126005075 its reverse (570500621), we get a palindrome (696505696).

The spelling of 126005075 in words is "one hundred twenty-six million, five thousand, seventy-five".