1201031455 has 12 divisors (see below), whose sum is σ = 1560631320. Its totient is φ = 886914912.

The previous prime is 1201031443. The next prime is 1201031459. The reversal of 1201031455 is 5541301021.

It is a happy number.

It is not a de Polignac number, because 1201031455 - 2⁵ = 1201031423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201031459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 709825 + ... + 711514.

It is an arithmetic number, because the mean of its divisors is an integer number (130052610).

Almost surely, 2^1201031455 is an apocalyptic number.

1201031455 is a deficient number, since it is larger than the sum of its proper divisors (359599865).

1201031455 is a wasteful number, since it uses less digits than its factorization.

1201031455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421370 (or 1421357 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1201031455 is about 34655.9007241191. The cubic root of 1201031455 is about 1062.9629499047.

Adding to 1201031455 its reverse (5541301021), we get a palindrome (6742332476).

The spelling of 1201031455 in words is "one billion, two hundred one million, thirty-one thousand, four hundred fifty-five".