1252870 has 8 divisors (see below), whose sum is σ = 2255184. Its totient is φ = 501144.

The previous prime is 1252843. The next prime is 1252873. The reversal of 1252870 is 782521.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252873) 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, 62634 + ... + 62653.

It is an arithmetic number, because the mean of its divisors is an integer number (281898).

2^1252870 is an apocalyptic number.

1252870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1252870 is a deficient number, since it is larger than the sum of its proper divisors (1002314).

1252870 is a wasteful number, since it uses less digits than its factorization.

1252870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125294.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 1252870 is about 1119.3167558828. The cubic root of 1252870 is about 107.8041145197.

The spelling of 1252870 in words is "one million, two hundred fifty-two thousand, eight hundred seventy".