2112965 has 8 divisors (see below), whose sum is σ = 2559480. Its totient is φ = 1674432.

The previous prime is 2112961. The next prime is 2112973. The reversal of 2112965 is 5692112.

It can be written as a sum of positive squares in 4 ways, for example, as 178084 + 1934881 = 422^2 + 1391^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2112965 - 2² = 2112961 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112961) 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, 1394 + ... + 2483.

It is an arithmetic number, because the mean of its divisors is an integer number (319935).

2^2112965 is an apocalyptic number.

It is an amenable number.

2112965 is a deficient number, since it is larger than the sum of its proper divisors (446515).

2112965 is a wasteful number, since it uses less digits than its factorization.

2112965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3991.

The product of its digits is 1080, while the sum is 26.

The square root of 2112965 is about 1453.6041414360. The cubic root of 2112965 is about 128.3209110744.

The spelling of 2112965 in words is "two million, one hundred twelve thousand, nine hundred sixty-five".