1252145 has 8 divisors (see below), whose sum is σ = 1510656. Its totient is φ = 996336.

The previous prime is 1252129. The next prime is 1252151. The reversal of 1252145 is 5412521.

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 1252145 - 2⁴ = 1252129 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554 + ... + 1676.

It is an arithmetic number, because the mean of its divisors is an integer number (188832).

2^1252145 is an apocalyptic number.

It is an amenable number.

1252145 is a deficient number, since it is larger than the sum of its proper divisors (258511).

1252145 is a wasteful number, since it uses less digits than its factorization.

1252145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351.

The product of its digits is 400, while the sum is 20.

The square root of 1252145 is about 1118.9928507368. The cubic root of 1252145 is about 107.7833161225.

Adding to 1252145 its reverse (5412521), we get a palindrome (6664666).

The spelling of 1252145 in words is "one million, two hundred fifty-two thousand, one hundred forty-five".