1250065 has 4 divisors (see below), whose sum is σ = 1500084. Its totient is φ = 1000048.

The previous prime is 1250057. The next prime is 1250069. The reversal of 1250065 is 5600521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 690561 + 559504 = 831^2 + 748^2 .

It is a cyclic number.

It is not a de Polignac number, because 1250065 - 2³ = 1250057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1250069) 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, 125002 + ... + 125011.

It is an arithmetic number, because the mean of its divisors is an integer number (375021).

2^1250065 is an apocalyptic number.

It is an amenable number.

1250065 is a deficient number, since it is larger than the sum of its proper divisors (250019).

1250065 is an equidigital number, since it uses as much as digits as its factorization.

1250065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250018.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 1250065 is about 1118.0630572557. The cubic root of 1250065 is about 107.7236016460.

Adding to 1250065 its reverse (5600521), we get a palindrome (6850586).

The spelling of 1250065 in words is "one million, two hundred fifty thousand, sixty-five".