1203542055 has 24 divisors (see below), whose sum is σ = 2087663760. Its totient is φ = 641420160.

The previous prime is 1203542033. The next prime is 1203542057. The reversal of 1203542055 is 5502453021.

It is a happy number.

1203542055 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1203542055 - 2⁶ = 1203541991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203542057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57616 + ... + 75674.

It is an arithmetic number, because the mean of its divisors is an integer number (86985990).

Almost surely, 2^1203542055 is an apocalyptic number.

1203542055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1203542055 is a deficient number, since it is larger than the sum of its proper divisors (884121705).

1203542055 is a wasteful number, since it uses less digits than its factorization.

1203542055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19551 (or 19548 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 1203542055 is about 34692.1036404540. The cubic root of 1203542055 is about 1063.7030963351.

Adding to 1203542055 its reverse (5502453021), we get a palindrome (6705995076).

The spelling of 1203542055 in words is "one billion, two hundred three million, five hundred forty-two thousand, fifty-five".