1400725 has 12 divisors (see below), whose sum is σ = 1778656. Its totient is φ = 1093680.

The previous prime is 1400701. The next prime is 1400731. The reversal of 1400725 is 5270041.

It is a de Polignac number, because none of the positive numbers 2^k-1400725 is a prime.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 424 + ... + 1726.

2^1400725 is an apocalyptic number.

It is an amenable number.

1400725 is a deficient number, since it is larger than the sum of its proper divisors (377931).

1400725 is a wasteful number, since it uses less digits than its factorization.

1400725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356 (or 1351 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 1400725 is about 1183.5222853838. The cubic root of 1400725 is about 111.8882015777. Note that the first 3 decimals are identical.

Adding to 1400725 its reverse (5270041), we get a palindrome (6670766).

The spelling of 1400725 in words is "one million, four hundred thousand, seven hundred twenty-five".