1125365 has 8 divisors (see below), whose sum is σ = 1359288. Its totient is φ = 894400.

The previous prime is 1125361. The next prime is 1125379. The reversal of 1125365 is 5635211.

It can be written as a sum of positive squares in 4 ways, for example, as 39601 + 1085764 = 199^2 + 1042^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1125365 - 2² = 1125361 is a prime.

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 1125365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215 + ... + 1515.

It is an arithmetic number, because the mean of its divisors is an integer number (169911).

2^1125365 is an apocalyptic number.

It is an amenable number.

1125365 is a deficient number, since it is larger than the sum of its proper divisors (233923).

1125365 is a wasteful number, since it uses less digits than its factorization.

1125365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479.

The product of its digits is 900, while the sum is 23.

The square root of 1125365 is about 1060.8322204760. The cubic root of 1125365 is about 104.0154377971.

It can be divided in two parts, 11253 and 65, that multiplied together give a triangular number (731445 = T₁₂₀₉).

The spelling of 1125365 in words is "one million, one hundred twenty-five thousand, three hundred sixty-five".