1201203255 has 32 divisors (see below), whose sum is σ = 2325694464. Its totient is φ = 516819456.

The previous prime is 1201203253. The next prime is 1201203257. The reversal of 1201203255 is 5523021021.

1201203255 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1201203253) and next prime (1201203257).

It is not a de Polignac number, because 1201203255 - 2¹ = 1201203253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201203251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 334687 + ... + 338256.

It is an arithmetic number, because the mean of its divisors is an integer number (72677952).

Almost surely, 2^1201203255 is an apocalyptic number.

1201203255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1201203255 is a deficient number, since it is larger than the sum of its proper divisors (1124491209).

1201203255 is a wasteful number, since it uses less digits than its factorization.

1201203255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672975.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1201203255 is about 34658.3792898629. The cubic root of 1201203255 is about 1063.0136308776.

Adding to 1201203255 its reverse (5523021021), we get a palindrome (6724224276).

The spelling of 1201203255 in words is "one billion, two hundred one million, two hundred three thousand, two hundred fifty-five".