1201433255 has 8 divisors (see below), whose sum is σ = 1572785424. Its totient is φ = 873769600.

The previous prime is 1201433249. The next prime is 1201433281. The reversal of 1201433255 is 5523341021.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-1201433255 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10922066 + ... + 10922175.

It is an arithmetic number, because the mean of its divisors is an integer number (196598178).

Almost surely, 2^1201433255 is an apocalyptic number.

1201433255 is a deficient number, since it is larger than the sum of its proper divisors (371352169).

1201433255 is a wasteful number, since it uses less digits than its factorization.

1201433255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21844257.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1201433255 is about 34661.6972319591. The cubic root of 1201433255 is about 1063.0814732768.

Adding to 1201433255 its reverse (5523341021), we get a palindrome (6724774276).

The spelling of 1201433255 in words is "one billion, two hundred one million, four hundred thirty-three thousand, two hundred fifty-five".