1254231252 has 18 divisors (see below), whose sum is σ = 3170417978. Its totient is φ = 418077072.

The previous prime is 1254231233. The next prime is 1254231257. The reversal of 1254231252 is 2521324521.

It can be written as a sum of positive squares in only one way, i.e., 1253584836 + 646416 = 35406^2 + 804^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254231257) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17419843 + ... + 17419914.

Almost surely, 2^1254231252 is an apocalyptic number.

1254231252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1254231252 is an abundant number, since it is smaller than the sum of its proper divisors (1916186726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1254231252 is a wasteful number, since it uses less digits than its factorization.

1254231252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34839767 (or 34839762 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 1254231252 is about 35415.1274457681. The cubic root of 1254231252 is about 1078.4314369558.

Adding to 1254231252 its reverse (2521324521), we get a palindrome (3775555773).

The spelling of 1254231252 in words is "one billion, two hundred fifty-four million, two hundred thirty-one thousand, two hundred fifty-two".