1201532253 has 8 divisors (see below), whose sum is σ = 1602270528. Its totient is φ = 800907744.

The previous prime is 1201532197. The next prime is 1201532257. The reversal of 1201532253 is 3522351021.

It is a happy number.

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

It is not a de Polignac number, because 1201532253 - 2¹² = 1201528157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201532257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376 + ... + 49022.

It is an arithmetic number, because the mean of its divisors is an integer number (200283816).

Almost surely, 2^1201532253 is an apocalyptic number.

It is an amenable number.

1201532253 is a deficient number, since it is larger than the sum of its proper divisors (400738275).

1201532253 is an equidigital number, since it uses as much as digits as its factorization.

1201532253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56883.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1201532253 is about 34663.1252630227. The cubic root of 1201532253 is about 1063.1106717497.

Adding to 1201532253 its reverse (3522351021), we get a palindrome (4723883274).

The spelling of 1201532253 in words is "one billion, two hundred one million, five hundred thirty-two thousand, two hundred fifty-three".