1252501 has 4 divisors (see below), whose sum is σ = 1265004. Its totient is φ = 1240000.

The previous prime is 1252483. The next prime is 1252507. The reversal of 1252501 is 1052521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 904401 + 348100 = 951^2 + 590^2 .

It is a cyclic number.

It is not a de Polignac number, because 1252501 - 2⁵ = 1252469 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6100 + ... + 6301.

It is an arithmetic number, because the mean of its divisors is an integer number (316251).

2^1252501 is an apocalyptic number.

1252501 is the 501-st centered decagonal number.

It is an amenable number.

1252501 is a deficient number, since it is larger than the sum of its proper divisors (12503).

1252501 is a wasteful number, since it uses less digits than its factorization.

1252501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12502.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 1252501 is about 1119.1519110469. The cubic root of 1252501 is about 107.7935298556.

The spelling of 1252501 in words is "one million, two hundred fifty-two thousand, five hundred one".