1420125 has 32 divisors (see below), whose sum is σ = 2705664. Its totient is φ = 648000.

The previous prime is 1420123. The next prime is 1420151. The reversal of 1420125 is 5210241.

It is not a de Polignac number, because 1420125 - 2¹ = 1420123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420121) 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 in 31 ways as a sum of consecutive naturals, for example, 2355 + ... + 2895.

It is an arithmetic number, because the mean of its divisors is an integer number (84552).

2^1420125 is an apocalyptic number.

1420125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1420125 is a deficient number, since it is larger than the sum of its proper divisors (1285539).

1420125 is an equidigital number, since it uses as much as digits as its factorization.

1420125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1420125 is about 1191.6899764620. The cubic root of 1420125 is about 112.4023844599.

Adding to 1420125 its reverse (5210241), we get a palindrome (6630366).

The spelling of 1420125 in words is "one million, four hundred twenty thousand, one hundred twenty-five".