1252615 has 16 divisors (see below), whose sum is σ = 1850688. Its totient is φ = 792576.

The previous prime is 1252609. The next prime is 1252631. The reversal of 1252615 is 5162521.

1252615 = T₄₁₆ + T₄₁₇ + ... + T₄₂₉.

It is a cyclic number.

It is not a de Polignac number, because 1252615 - 2⁹ = 1252103 is a prime.

It is an Ulam number.

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, 922 + ... + 1831.

It is an arithmetic number, because the mean of its divisors is an integer number (115668).

2^1252615 is an apocalyptic number.

1252615 is a deficient number, since it is larger than the sum of its proper divisors (598073).

1252615 is a wasteful number, since it uses less digits than its factorization.

1252615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2778.

The product of its digits is 600, while the sum is 22.

The square root of 1252615 is about 1119.2028413116. The cubic root of 1252615 is about 107.7968001363.

The spelling of 1252615 in words is "one million, two hundred fifty-two thousand, six hundred fifteen".