1012898 has 4 divisors (see below), whose sum is σ = 1519350. Its totient is φ = 506448.

The previous prime is 1012861. The next prime is 1012903. The reversal of 1012898 is 8982101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8982101 = 59 ⋅152239.

It can be written as a sum of positive squares in only one way, i.e., 1006009 + 6889 = 1003^2 + 83^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1012898.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253223 + ... + 253226.

2^1012898 is an apocalyptic number.

1012898 is a deficient number, since it is larger than the sum of its proper divisors (506452).

1012898 is an equidigital number, since it uses as much as digits as its factorization.

1012898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506451.

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 1012898 is about 1006.4283382338. The cubic root of 1012898 is about 100.4280980388.

Adding to 1012898 its reverse (8982101), we get a palindrome (9994999).

The spelling of 1012898 in words is "one million, twelve thousand, eight hundred ninety-eight".