126201055 has 8 divisors (see below), whose sum is σ = 151772544. Its totient is φ = 100740000.

The previous prime is 126201041. The next prime is 126201071. The reversal of 126201055 is 550102621.

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

It is not a de Polignac number, because 126201055 - 2²³ = 117812447 is a prime.

It is a super-2 number, since 2×126201055² = 31853412566226050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25071 + ... + 29680.

It is an arithmetic number, because the mean of its divisors is an integer number (18971568).

Almost surely, 2^126201055 is an apocalyptic number.

126201055 is a deficient number, since it is larger than the sum of its proper divisors (25571489).

126201055 is an equidigital number, since it uses as much as digits as its factorization.

126201055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55217.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 126201055 is about 11233.9242920718. The cubic root of 126201055 is about 501.5963048646.

Adding to 126201055 its reverse (550102621), we get a palindrome (676303676).

The spelling of 126201055 in words is "one hundred twenty-six million, two hundred one thousand, fifty-five".