1252164472 has 32 divisors (see below), whose sum is σ = 2587218480. Its totient is φ = 564480000.

The previous prime is 1252164451. The next prime is 1252164479. The reversal of 1252164472 is 2744612521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252164479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135529 + ... + 144472.

Almost surely, 2^1252164472 is an apocalyptic number.

It is an amenable number.

1252164472 is an abundant number, since it is smaller than the sum of its proper divisors (1335054008).

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

1252164472 is a wasteful number, since it uses less digits than its factorization.

1252164472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280063 (or 280059 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 1252164472 is about 35385.9360763567. The cubic root of 1252164472 is about 1077.8387482928.

Adding to 1252164472 its reverse (2744612521), we get a palindrome (3996776993).

The spelling of 1252164472 in words is "one billion, two hundred fifty-two million, one hundred sixty-four thousand, four hundred seventy-two".