1140725 has 12 divisors (see below), whose sum is σ = 1431456. Its totient is φ = 901680.

The previous prime is 1140721. The next prime is 1140749. The reversal of 1140725 is 5270411.

It is not a de Polignac number, because 1140725 - 2² = 1140721 is a prime.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1140697 and 1140706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140721) 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 11 ways as a sum of consecutive naturals, for example, 2354 + ... + 2796.

It is an arithmetic number, because the mean of its divisors is an integer number (119288).

2^1140725 is an apocalyptic number.

It is an amenable number.

1140725 is a deficient number, since it is larger than the sum of its proper divisors (290731).

1140725 is a wasteful number, since it uses less digits than its factorization.

1140725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556 (or 551 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 1140725 is about 1068.0472835975. The cubic root of 1140725 is about 104.4865332188.

The spelling of 1140725 in words is "one million, one hundred forty thousand, seven hundred twenty-five".