1285763372 has 12 divisors (see below), whose sum is σ = 2327675280. Its totient is φ = 620713296.

The previous prime is 1285763371. The next prime is 1285763387. The reversal of 1285763372 is 2733675821.

It is not an unprimeable number, because it can be changed into a prime (1285763371) 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 3 ways as a sum of consecutive naturals, for example, 5541968 + ... + 5542199.

It is an arithmetic number, because the mean of its divisors is an integer number (193972940).

Almost surely, 2^1285763372 is an apocalyptic number.

It is an amenable number.

1285763372 is a deficient number, since it is larger than the sum of its proper divisors (1041911908).

1285763372 is a wasteful number, since it uses less digits than its factorization.

1285763372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11084200 (or 11084198 counting only the distinct ones).

The product of its digits is 423360, while the sum is 44.

The square root of 1285763372 is about 35857.5427490507. The cubic root of 1285763372 is about 1087.3942109100.

The spelling of 1285763372 in words is "one billion, two hundred eighty-five million, seven hundred sixty-three thousand, three hundred seventy-two".