1252515 has 16 divisors (see below), whose sum is σ = 2186496. Its totient is φ = 607200.

The previous prime is 1252507. The next prime is 1252523. The reversal of 1252515 is 5152521.

It is an interprime number because it is at equal distance from previous prime (1252507) and next prime (1252523).

It is not a de Polignac number, because 1252515 - 2³ = 1252507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1252491 and 1252500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3631 + ... + 3960.

It is an arithmetic number, because the mean of its divisors is an integer number (136656).

2^1252515 is an apocalyptic number.

1252515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1252515 is a deficient number, since it is larger than the sum of its proper divisors (933981).

1252515 is a wasteful number, since it uses less digits than its factorization.

1252515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7610.

The product of its digits is 500, while the sum is 21.

The square root of 1252515 is about 1119.1581657657. The cubic root of 1252515 is about 107.7939314797.

The spelling of 1252515 in words is "one million, two hundred fifty-two thousand, five hundred fifteen".