1201223252 has 12 divisors (see below), whose sum is σ = 2103832500. Its totient is φ = 600128256.

The previous prime is 1201223209. The next prime is 1201223269. The reversal of 1201223252 is 2523221021.

It can be written as a sum of positive squares in 2 ways, for example, as 167857936 + 1033365316 = 12956^2 + 32146^2 .

It is a super-2 number, since 2×1201223252² = 2885874602290911008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115223 + ... + 125214.

It is an arithmetic number, because the mean of its divisors is an integer number (175319375).

Almost surely, 2^1201223252 is an apocalyptic number.

It is an amenable number.

1201223252 is a deficient number, since it is larger than the sum of its proper divisors (902609248).

1201223252 is a wasteful number, since it uses less digits than its factorization.

1201223252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241690 (or 241688 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1201223252 is about 34658.6677758970. The cubic root of 1201223252 is about 1063.0195296755.

Adding to 1201223252 its reverse (2523221021), we get a palindrome (3724444273).

The spelling of 1201223252 in words is "one billion, two hundred one million, two hundred twenty-three thousand, two hundred fifty-two".