1761125 has 16 divisors (see below), whose sum is σ = 2239536. Its totient is φ = 1382400.

The previous prime is 1761107. The next prime is 1761127. The reversal of 1761125 is 5211671.

It can be written as a sum of positive squares in 8 ways, for example, as 743044 + 1018081 = 862^2 + 1009^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1761125 is a prime.

It is a super-2 number, since 2×1761125² = 6203122531250, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1761125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1761127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9029 + ... + 9221.

It is an arithmetic number, because the mean of its divisors is an integer number (139971).

2^1761125 is an apocalyptic number.

It is an amenable number.

1761125 is a deficient number, since it is larger than the sum of its proper divisors (478411).

1761125 is an equidigital number, since it uses as much as digits as its factorization.

1761125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 271 counting only the distinct ones).

The product of its digits is 420, while the sum is 23.

The square root of 1761125 is about 1327.0738487364. The cubic root of 1761125 is about 120.7619343025.

Adding to 1761125 its reverse (5211671), we get a palindrome (6972796).

The spelling of 1761125 in words is "one million, seven hundred sixty-one thousand, one hundred twenty-five".