1282428977 has 12 divisors (see below), whose sum is σ = 1314066000. Its totient is φ = 1251273408.

The previous prime is 1282428967. The next prime is 1282429003. The reversal of 1282428977 is 7798242821.

It is not a de Polignac number, because 1282428977 - 2⁶ = 1282428913 is a prime.

It is a Duffinian number.

Its product of digits (903168) is a multiple of the sum of its prime factors (1792).

It is not an unprimeable number, because it can be changed into a prime (1282428937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 854774 + ... + 856272.

It is an arithmetic number, because the mean of its divisors is an integer number (109505500).

Almost surely, 2^1282428977 is an apocalyptic number.

It is an amenable number.

1282428977 is a deficient number, since it is larger than the sum of its proper divisors (31637023).

1282428977 is an equidigital number, since it uses as much as digits as its factorization.

1282428977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792 (or 1679 counting only the distinct ones).

The product of its digits is 903168, while the sum is 50.

The square root of 1282428977 is about 35811.0175365068. The cubic root of 1282428977 is about 1086.4534103682.

The spelling of 1282428977 in words is "one billion, two hundred eighty-two million, four hundred twenty-eight thousand, nine hundred seventy-seven".