1425122 has 4 divisors (see below), whose sum is σ = 2137686. Its totient is φ = 712560.

The previous prime is 1425121. The next prime is 1425139. The reversal of 1425122 is 2215241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 737881 + 687241 = 859^2 + 829^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1425122.

It is not an unprimeable number, because it can be changed into a prime (1425121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356279 + ... + 356282.

2^1425122 is an apocalyptic number.

1425122 is a deficient number, since it is larger than the sum of its proper divisors (712564).

1425122 is an equidigital number, since it uses as much as digits as its factorization.

1425122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712563.

The product of its digits is 160, while the sum is 17.

The square root of 1425122 is about 1193.7847377145. The cubic root of 1425122 is about 112.5340670491.

The spelling of 1425122 in words is "one million, four hundred twenty-five thousand, one hundred twenty-two".