1246752772 has 6 divisors (see below), whose sum is σ = 2181817358. Its totient is φ = 623376384.

The previous prime is 1246752769. The next prime is 1246752779. The reversal of 1246752772 is 2772576421.

It can be written as a sum of positive squares in only one way, i.e., 908781316 + 337971456 = 30146^2 + 18384^2 .

It is a super-4 number, since 4×1246752772⁴ (a number of 37 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1246752779) 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 as a sum of consecutive naturals, namely, 155844093 + ... + 155844100.

Almost surely, 2^1246752772 is an apocalyptic number.

It is an amenable number.

1246752772 is a deficient number, since it is larger than the sum of its proper divisors (935064586).

1246752772 is a wasteful number, since it uses less digits than its factorization.

1246752772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311688197 (or 311688195 counting only the distinct ones).

The product of its digits is 329280, while the sum is 43.

The square root of 1246752772 is about 35309.3864574280. The cubic root of 1246752772 is about 1076.2837440313.

The spelling of 1246752772 in words is "one billion, two hundred forty-six million, seven hundred fifty-two thousand, seven hundred seventy-two".