1124965 has 4 divisors (see below), whose sum is σ = 1349964. Its totient is φ = 899968.

The previous prime is 1124957. The next prime is 1124969. The reversal of 1124965 is 5694211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5694211 = 557 ⋅10223.

It can be written as a sum of positive squares in 2 ways, for example, as 804609 + 320356 = 897^2 + 566^2 .

It is a cyclic number.

It is not a de Polignac number, because 1124965 - 2³ = 1124957 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112492 + ... + 112501.

It is an arithmetic number, because the mean of its divisors is an integer number (337491).

2^1124965 is an apocalyptic number.

It is an amenable number.

1124965 is a deficient number, since it is larger than the sum of its proper divisors (224999).

1124965 is an equidigital number, since it uses as much as digits as its factorization.

1124965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224998.

The product of its digits is 2160, while the sum is 28.

The square root of 1124965 is about 1060.6436724933. The cubic root of 1124965 is about 104.0031125794.

It can be divided in two parts, 11 and 24965, that added together give a triangular number (24976 = T₂₂₃).

The spelling of 1124965 in words is "one million, one hundred twenty-four thousand, nine hundred sixty-five".