1201255 has 8 divisors (see below), whose sum is σ = 1572624. Its totient is φ = 873600.

The previous prime is 1201247. The next prime is 1201261. The reversal of 1201255 is 5521021.

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

It is not a de Polignac number, because 1201255 - 2³ = 1201247 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

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, 10866 + ... + 10975.

It is an arithmetic number, because the mean of its divisors is an integer number (196578).

2^1201255 is an apocalyptic number.

1201255 is a deficient number, since it is larger than the sum of its proper divisors (371369).

1201255 is a wasteful number, since it uses less digits than its factorization.

1201255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21857.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 1201255 is about 1096.0177918264. The cubic root of 1201255 is about 106.3028894698.

Adding to 1201255 its reverse (5521021), we get a palindrome (6722276).

It can be divided in two parts, 120125 and 5, that multiplied together give a square (600625 = 775²).

The spelling of 1201255 in words is "one million, two hundred one thousand, two hundred fifty-five".