1203550055 has 8 divisors (see below), whose sum is σ = 1455285744. Its totient is φ = 955489600.

The previous prime is 1203550031. The next prime is 1203550063. The reversal of 1203550055 is 5500553021.

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

It is not a de Polignac number, because 1203550055 - 2¹⁰ = 1203549031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 918086 + ... + 919395.

It is an arithmetic number, because the mean of its divisors is an integer number (181910718).

Almost surely, 2^1203550055 is an apocalyptic number.

1203550055 is a deficient number, since it is larger than the sum of its proper divisors (251735689).

1203550055 is a wasteful number, since it uses less digits than its factorization.

1203550055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837617.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 1203550055 is about 34692.2189402754. The cubic root of 1203550055 is about 1063.7054531578.

The spelling of 1203550055 in words is "one billion, two hundred three million, five hundred fifty thousand, fifty-five".