1264562012 has 18 divisors (see below), whose sum is σ = 2574287352. Its totient is φ = 541955064.

The previous prime is 1264562009. The next prime is 1264562027. The reversal of 1264562012 is 2102654621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3225728 + ... + 3226119.

It is an arithmetic number, because the mean of its divisors is an integer number (143015964).

Almost surely, 2^1264562012 is an apocalyptic number.

It is an amenable number.

1264562012 is an abundant number, since it is smaller than the sum of its proper divisors (1309725340).

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

1264562012 is a wasteful number, since it uses less digits than its factorization.

1264562012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6451865 (or 6451856 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1264562012 is about 35560.6807021463. The cubic root of 1264562012 is about 1081.3842595286.

The spelling of 1264562012 in words is "one billion, two hundred sixty-four million, five hundred sixty-two thousand, twelve".