1252239 has 8 divisors (see below), whose sum is σ = 1677312. Its totient is φ = 831000.

The previous prime is 1252219. The next prime is 1252247. The reversal of 1252239 is 9322521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1252239 - 2⁸ = 1251983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79 + ... + 1584.

It is an arithmetic number, because the mean of its divisors is an integer number (209664).

2^1252239 is an apocalyptic number.

1252239 is a deficient number, since it is larger than the sum of its proper divisors (425073).

1252239 is a wasteful number, since it uses less digits than its factorization.

1252239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917.

The product of its digits is 1080, while the sum is 24.

The square root of 1252239 is about 1119.0348520042. The cubic root of 1252239 is about 107.7860131951.

It can be divided in two parts, 12522 and 39, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 1252239 in words is "one million, two hundred fifty-two thousand, two hundred thirty-nine".