1252511 has 16 divisors (see below), whose sum is σ = 1451520. Its totient is φ = 1071840.

The previous prime is 1252507. The next prime is 1252523. The reversal of 1252511 is 1152521.

1252511 = 14² + 15² + ... + 155².

It is a cyclic number.

It is not a de Polignac number, because 1252511 - 2² = 1252507 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 1252511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17606 + ... + 17676.

It is an arithmetic number, because the mean of its divisors is an integer number (90720).

2^1252511 is an apocalyptic number.

1252511 is a deficient number, since it is larger than the sum of its proper divisors (199009).

1252511 is a wasteful number, since it uses less digits than its factorization.

1252511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166.

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

The square root of 1252511 is about 1119.1563787067. The cubic root of 1252511 is about 107.7938167303.

The spelling of 1252511 in words is "one million, two hundred fifty-two thousand, five hundred eleven".