1154231252 has 24 divisors (see below), whose sum is σ = 2139923520. Its totient is φ = 542862720.

The previous prime is 1154231249. The next prime is 1154231257. The reversal of 1154231252 is 2521324511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154231257) 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, 157649 + ... + 164807.

It is an arithmetic number, because the mean of its divisors is an integer number (89163480).

Almost surely, 2^1154231252 is an apocalyptic number.

It is an amenable number.

1154231252 is a deficient number, since it is larger than the sum of its proper divisors (985692268).

1154231252 is a wasteful number, since it uses less digits than its factorization.

1154231252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9551 (or 9549 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 1154231252 is about 33973.9790427910. The cubic root of 1154231252 is about 1048.9729191728.

Adding to 1154231252 its reverse (2521324511), we get a palindrome (3675555763).

The spelling of 1154231252 in words is "one billion, one hundred fifty-four million, two hundred thirty-one thousand, two hundred fifty-two".