1252182472 has 8 divisors (see below), whose sum is σ = 2347842150. Its totient is φ = 626091232.

The previous prime is 1252182467. The next prime is 1252182487. The reversal of 1252182472 is 2742812521.

It can be written as a sum of positive squares in only one way, i.e., 1117297476 + 134884996 = 33426^2 + 11614^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 78261397 + ... + 78261412.

Almost surely, 2^1252182472 is an apocalyptic number.

It is an amenable number.

1252182472 is a deficient number, since it is larger than the sum of its proper divisors (1095659678).

1252182472 is a wasteful number, since it uses less digits than its factorization.

1252182472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156522815 (or 156522811 counting only the distinct ones).

The product of its digits is 17920, while the sum is 34.

The square root of 1252182472 is about 35386.1904137758. The cubic root of 1252182472 is about 1077.8439129510.

Adding to 1252182472 its reverse (2742812521), we get a palindrome (3994994993).

The spelling of 1252182472 in words is "one billion, two hundred fifty-two million, one hundred eighty-two thousand, four hundred seventy-two".