1051065 has 12 divisors (see below), whose sum is σ = 1821924. Its totient is φ = 560544.

The previous prime is 1051051. The next prime is 1051069. The reversal of 1051065 is 5601501.

It can be written as a sum of positive squares in 2 ways, for example, as 627264 + 423801 = 792^2 + 651^2 .

It is not a de Polignac number, because 1051065 - 2¹⁰ = 1050041 is a prime.

It is a super-2 number, since 2×1051065² = 2209475268450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11634 + ... + 11723.

It is an arithmetic number, because the mean of its divisors is an integer number (151827).

2^1051065 is an apocalyptic number.

1051065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1051065 is a deficient number, since it is larger than the sum of its proper divisors (770859).

1051065 is a wasteful number, since it uses less digits than its factorization.

1051065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23368 (or 23365 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 1051065 is about 1025.2146116789. The cubic root of 1051065 is about 101.6739879466.

Adding to 1051065 its reverse (5601501), we get a palindrome (6652566).

It can be divided in two parts, 105106 and 5, that added together give a triangular number (105111 = T₄₅₈).

The spelling of 1051065 in words is "one million, fifty-one thousand, sixty-five".