1282874144 has 12 divisors (see below), whose sum is σ = 2525658534. Its totient is φ = 641437056.

The previous prime is 1282874123. The next prime is 1282874149. The reversal of 1282874144 is 4414782821.

It can be written as a sum of positive squares in only one way, i.e., 1155184144 + 127690000 = 33988^2 + 11300^2 .

It is a super-3 number, since 3×1282874144³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1282874149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20044877 + ... + 20044940.

Almost surely, 2^1282874144 is an apocalyptic number.

It is an amenable number.

1282874144 is a deficient number, since it is larger than the sum of its proper divisors (1242784390).

1282874144 is an equidigital number, since it uses as much as digits as its factorization.

1282874144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40089827 (or 40089819 counting only the distinct ones).

The product of its digits is 114688, while the sum is 41.

The square root of 1282874144 is about 35817.2325005716. The cubic root of 1282874144 is about 1086.5791086230.

The spelling of 1282874144 in words is "one billion, two hundred eighty-two million, eight hundred seventy-four thousand, one hundred forty-four".