1252115 has 4 divisors (see below), whose sum is σ = 1502544. Its totient is φ = 1001688.

The previous prime is 1252109. The next prime is 1252123. The reversal of 1252115 is 5112521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5112521 = 1237 ⋅4133.

It is a cyclic number.

It is not a de Polignac number, because 1252115 - 2¹² = 1248019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1252093 and 1252102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125207 + ... + 125216.

It is an arithmetic number, because the mean of its divisors is an integer number (375636).

2^1252115 is an apocalyptic number.

1252115 is a deficient number, since it is larger than the sum of its proper divisors (250429).

1252115 is an equidigital number, since it uses as much as digits as its factorization.

1252115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250428.

The product of its digits is 100, while the sum is 17.

The square root of 1252115 is about 1118.9794457451. The cubic root of 1252115 is about 107.7824553262.

Adding to 1252115 its reverse (5112521), we get a palindrome (6364636).

The spelling of 1252115 in words is "one million, two hundred fifty-two thousand, one hundred fifteen".