1210152065 has 8 divisors (see below), whose sum is σ = 1452803688. Its totient is φ = 967707520.

The previous prime is 1210152043. The next prime is 1210152067. The reversal of 1210152065 is 5602510121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 34210801 + 1175941264 = 5849^2 + 34292^2 .

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

It is not a de Polignac number, because 1210152065 - 2⁶ = 1210152001 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 1210152065.

It is not an unprimeable number, because it can be changed into a prime (1210152067) 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, 38606 + ... + 62535.

It is an arithmetic number, because the mean of its divisors is an integer number (181600461).

Almost surely, 2^1210152065 is an apocalyptic number.

It is an amenable number.

1210152065 is a deficient number, since it is larger than the sum of its proper divisors (242651623).

1210152065 is a wasteful number, since it uses less digits than its factorization.

1210152065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103539.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1210152065 is about 34787.2399738755. The cubic root of 1210152065 is about 1065.6468742367.

Adding to 1210152065 its reverse (5602510121), we get a palindrome (6812662186).

The spelling of 1210152065 in words is "one billion, two hundred ten million, one hundred fifty-two thousand, sixty-five".