1201253223 has 16 divisors (see below), whose sum is σ = 1692472320. Its totient is φ = 756316704.

The previous prime is 1201253161. The next prime is 1201253233. The reversal of 1201253223 is 3223521021.

It is not a de Polignac number, because 1201253223 - 2²¹ = 1199156071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1201253223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201253233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104736 + ... + 115637.

It is an arithmetic number, because the mean of its divisors is an integer number (105779520).

Almost surely, 2^1201253223 is an apocalyptic number.

1201253223 is a deficient number, since it is larger than the sum of its proper divisors (491219097).

1201253223 is a wasteful number, since it uses less digits than its factorization.

1201253223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220478.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1201253223 is about 34659.1001470032. The cubic root of 1201253223 is about 1063.0283705226.

Adding to 1201253223 its reverse (3223521021), we get a palindrome (4424774244).

The spelling of 1201253223 in words is "one billion, two hundred one million, two hundred fifty-three thousand, two hundred twenty-three".