1013238 has 24 divisors (see below), whose sum is σ = 2214576. Its totient is φ = 334800.

The previous prime is 1013237. The next prime is 1013239. The reversal of 1013238 is 8323101.

It is an interprime number because it is at equal distance from previous prime (1013237) and next prime (1013239).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 1013238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3103 + ... + 3413.

It is an arithmetic number, because the mean of its divisors is an integer number (92274).

2^1013238 is an apocalyptic number.

1013238 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1013238 is an abundant number, since it is smaller than the sum of its proper divisors (1201338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1013238 is a wasteful number, since it uses less digits than its factorization.

1013238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1013238 is about 1006.5972382239. The cubic root of 1013238 is about 100.4393336991.

Adding to 1013238 its reverse (8323101), we get a palindrome (9336339).

The spelling of 1013238 in words is "one million, thirteen thousand, two hundred thirty-eight".