1012838 has 8 divisors (see below), whose sum is σ = 1560432. Its totient is φ = 492696.

The previous prime is 1012831. The next prime is 1012861. The reversal of 1012838 is 8382101.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012831) 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, 6770 + ... + 6917.

It is an arithmetic number, because the mean of its divisors is an integer number (195054).

2^1012838 is an apocalyptic number.

1012838 is a deficient number, since it is larger than the sum of its proper divisors (547594).

1012838 is a wasteful number, since it uses less digits than its factorization.

1012838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13726.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 1012838 is about 1006.3985294107. The cubic root of 1012838 is about 100.4261150142.

Adding to 1012838 its reverse (8382101), we get a palindrome (9394939).

The spelling of 1012838 in words is "one million, twelve thousand, eight hundred thirty-eight".