1252798 has 8 divisors (see below), whose sum is σ = 1989792. Its totient is φ = 589536.

The previous prime is 1252777. The next prime is 1252799. The reversal of 1252798 is 8972521.

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

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 36847 = 1252798 / (1 + 2 + 5 + 2 + 7 + 9 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18390 + ... + 18457.

It is an arithmetic number, because the mean of its divisors is an integer number (248724).

2^1252798 is an apocalyptic number.

1252798 is a deficient number, since it is larger than the sum of its proper divisors (736994).

1252798 is a wasteful number, since it uses less digits than its factorization.

1252798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36866.

The product of its digits is 10080, while the sum is 34.

The square root of 1252798 is about 1119.2845929432. The cubic root of 1252798 is about 107.8020493826.

The spelling of 1252798 in words is "one million, two hundred fifty-two thousand, seven hundred ninety-eight".