1274828564 has 24 divisors (see below), whose sum is σ = 2312446080. Its totient is φ = 614534976.

The previous prime is 1274828561. The next prime is 1274828587. The reversal of 1274828564 is 4658284721.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1274828561) by changing a digit.

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, 38009 + ... + 63200.

It is an arithmetic number, because the mean of its divisors is an integer number (96351920).

Almost surely, 2^1274828564 is an apocalyptic number.

It is an amenable number.

1274828564 is a deficient number, since it is larger than the sum of its proper divisors (1037617516).

1274828564 is a wasteful number, since it uses less digits than its factorization.

1274828564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101327 (or 101325 counting only the distinct ones).

The product of its digits is 860160, while the sum is 47.

The square root of 1274828564 is about 35704.7414778486. The cubic root of 1274828564 is about 1084.3028399568.

The spelling of 1274828564 in words is "one billion, two hundred seventy-four million, eight hundred twenty-eight thousand, five hundred sixty-four".