1151212252 has 12 divisors (see below), whose sum is σ = 2047648456. Its totient is φ = 566169840.

The previous prime is 1151212243. The next prime is 1151212267. The reversal of 1151212252 is 2522121511.

It is a happy number.

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, 2358798 + ... + 2359285.

Almost surely, 2^1151212252 is an apocalyptic number.

It is an amenable number.

1151212252 is a deficient number, since it is larger than the sum of its proper divisors (896436204).

1151212252 is a wasteful number, since it uses less digits than its factorization.

1151212252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4718148 (or 4718146 counting only the distinct ones).

The product of its digits is 400, while the sum is 22.

The square root of 1151212252 is about 33929.5188884252. The cubic root of 1151212252 is about 1048.0575583153.

Adding to 1151212252 its reverse (2522121511), we get a palindrome (3673333763).

The spelling of 1151212252 in words is "one billion, one hundred fifty-one million, two hundred twelve thousand, two hundred fifty-two".