1282425 has 12 divisors (see below), whose sum is σ = 2120400. Its totient is φ = 683920.

The previous prime is 1282423. The next prime is 1282427. The reversal of 1282425 is 5242821.

1282425 = 135² + 136² + ... + 184².

It is an interprime number because it is at equal distance from previous prime (1282423) and next prime (1282427).

It is not a de Polignac number, because 1282425 - 2¹ = 1282423 is a prime.

It is a super-2 number, since 2×1282425² = 3289227761250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1282395 and 1282404.

It is not an unprimeable number, because it can be changed into a prime (1282423) 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, 8475 + ... + 8624.

It is an arithmetic number, because the mean of its divisors is an integer number (176700).

2^1282425 is an apocalyptic number.

1282425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1282425 is a deficient number, since it is larger than the sum of its proper divisors (837975).

1282425 is a wasteful number, since it uses less digits than its factorization.

1282425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17112 (or 17107 counting only the distinct ones).

The product of its digits is 1280, while the sum is 24.

The square root of 1282425 is about 1132.4420514976. The cubic root of 1282425 is about 108.6452287283.

Subtracting from 1282425 its sum of digits (24), we obtain a triangular number (1282401 = T₁₆₀₁).

The spelling of 1282425 in words is "one million, two hundred eighty-two thousand, four hundred twenty-five".