1201523055 has 8 divisors (see below), whose sum is σ = 1922436912. Its totient is φ = 640812288.

The previous prime is 1201523053. The next prime is 1201523077. The reversal of 1201523055 is 5503251021.

It is a happy number.

1201523055 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1201523055 - 2¹ = 1201523053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201523053) 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 7 ways as a sum of consecutive naturals, for example, 40050754 + ... + 40050783.

It is an arithmetic number, because the mean of its divisors is an integer number (240304614).

Almost surely, 2^1201523055 is an apocalyptic number.

1201523055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1201523055 is a deficient number, since it is larger than the sum of its proper divisors (720913857).

1201523055 is an equidigital number, since it uses as much as digits as its factorization.

1201523055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80101545.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 1201523055 is about 34662.9925857535. The cubic root of 1201523055 is about 1063.1079589589.

Adding to 1201523055 its reverse (5503251021), we get a palindrome (6704774076).

The spelling of 1201523055 in words is "one billion, two hundred one million, five hundred twenty-three thousand, fifty-five".