1120725 has 36 divisors (see below), whose sum is σ = 2132676. Its totient is φ = 560640.

The previous prime is 1120723. The next prime is 1120727. The reversal of 1120725 is 5270211.

It is an interprime number because it is at equal distance from previous prime (1120723) and next prime (1120727).

It can be written as a sum of positive squares in 6 ways, for example, as 86436 + 1034289 = 294^2 + 1017^2 .

It is not a de Polignac number, because 1120725 - 2¹ = 1120723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1120698 and 1120707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120723) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3679 + ... + 3971.

It is an arithmetic number, because the mean of its divisors is an integer number (59241).

2^1120725 is an apocalyptic number.

1120725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1120725 is a deficient number, since it is larger than the sum of its proper divisors (1011951).

1120725 is a wasteful number, since it uses less digits than its factorization.

1120725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 1120725 is about 1058.6429993156. The cubic root of 1120725 is about 103.8722852883.

Adding to 1120725 its reverse (5270211), we get a palindrome (6390936).

It can be divided in two parts, 11 and 20725, that added together give a 4-th power (20736 = 12⁴).

The spelling of 1120725 in words is "one million, one hundred twenty thousand, seven hundred twenty-five".