1425021886 has 8 divisors (see below), whose sum is σ = 2148274800. Its totient is φ = 708930288.

The previous prime is 1425021883. The next prime is 1425021893. The reversal of 1425021886 is 6881205241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425021883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1789831 + ... + 1790626.

It is an arithmetic number, because the mean of its divisors is an integer number (268534350).

Almost surely, 2^1425021886 is an apocalyptic number.

1425021886 is a deficient number, since it is larger than the sum of its proper divisors (723252914).

1425021886 is a wasteful number, since it uses less digits than its factorization.

1425021886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3580658.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 1425021886 is about 37749.4620623924. The cubic root of 1425021886 is about 1125.3143183624.

The spelling of 1425021886 in words is "one billion, four hundred twenty-five million, twenty-one thousand, eight hundred eighty-six".