1282356672 has 56 divisors (see below), whose sum is σ = 3475677072. Its totient is φ = 417024000.

The previous prime is 1282356661. The next prime is 1282356679. The reversal of 1282356672 is 2766532821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1282356679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73579 + ... + 89322.

It is an arithmetic number, because the mean of its divisors is an integer number (62065662).

Almost surely, 2^1282356672 is an apocalyptic number.

1282356672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1282356672 is an abundant number, since it is smaller than the sum of its proper divisors (2193320400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1282356672 is a wasteful number, since it uses less digits than its factorization.

1282356672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162957 (or 162947 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 1282356672 is about 35810.0079865950. The cubic root of 1282356672 is about 1086.4329914362.

The spelling of 1282356672 in words is "one billion, two hundred eighty-two million, three hundred fifty-six thousand, six hundred seventy-two".