1252773736 has 32 divisors (see below), whose sum is σ = 2432620800. Its totient is φ = 604206720.

The previous prime is 1252773719. The next prime is 1252773749. The reversal of 1252773736 is 6373772521.

It is a super-2 number, since 2×1252773736² = 3138884067222795392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1252773692 and 1252773701.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69555 + ... + 85693.

It is an arithmetic number, because the mean of its divisors is an integer number (76019400).

Almost surely, 2^1252773736 is an apocalyptic number.

It is an amenable number.

1252773736 is a deficient number, since it is larger than the sum of its proper divisors (1179847064).

1252773736 is a wasteful number, since it uses less digits than its factorization.

1252773736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16489 (or 16485 counting only the distinct ones).

The product of its digits is 370440, while the sum is 43.

The square root of 1252773736 is about 35394.5438733147. The cubic root of 1252773736 is about 1078.0135341357.

The spelling of 1252773736 in words is "one billion, two hundred fifty-two million, seven hundred seventy-three thousand, seven hundred thirty-six".