1282825420 has 24 divisors (see below), whose sum is σ = 2697710400. Its totient is φ = 512410752.

The previous prime is 1282825387. The next prime is 1282825421. The reversal of 1282825420 is 245282821.

It is a super-3 number, since 3×1282825420³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1282825421) 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, 30225 + ... + 58984.

It is an arithmetic number, because the mean of its divisors is an integer number (112404600).

Almost surely, 2^1282825420 is an apocalyptic number.

1282825420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1282825420 is an abundant number, since it is smaller than the sum of its proper divisors (1414884980).

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

1282825420 is a wasteful number, since it uses less digits than its factorization.

1282825420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89937 (or 89935 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 1282825420 is about 35816.5523187255. The cubic root of 1282825420 is about 1086.5653522331.

The spelling of 1282825420 in words is "one billion, two hundred eighty-two million, eight hundred twenty-five thousand, four hundred twenty".