1246242472 has 8 divisors (see below), whose sum is σ = 2336704650. Its totient is φ = 623121232.

The previous prime is 1246242467. The next prime is 1246242479. The reversal of 1246242472 is 2742426421.

It can be written as a sum of positive squares in only one way, i.e., 1014167716 + 232074756 = 31846^2 + 15234^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1246242479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77890147 + ... + 77890162.

Almost surely, 2^1246242472 is an apocalyptic number.

It is an amenable number.

1246242472 is a deficient number, since it is larger than the sum of its proper divisors (1090462178).

1246242472 is a wasteful number, since it uses less digits than its factorization.

1246242472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155780315 (or 155780311 counting only the distinct ones).

The product of its digits is 43008, while the sum is 34.

The square root of 1246242472 is about 35302.1595939965. The cubic root of 1246242472 is about 1076.1368818365.

Adding to 1246242472 its reverse (2742426421), we get a palindrome (3988668893).

The spelling of 1246242472 in words is "one billion, two hundred forty-six million, two hundred forty-two thousand, four hundred seventy-two".