103213026 has 48 divisors (see below), whose sum is σ = 258835200. Its totient is φ = 29113344.

The previous prime is 103213009. The next prime is 103213039. The reversal of 103213026 is 620312301.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4770 + ... + 15138.

It is an arithmetic number, because the mean of its divisors is an integer number (5392400).

Almost surely, 2^103213026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103213026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129417600).

103213026 is an abundant number, since it is smaller than the sum of its proper divisors (155622174).

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

103213026 is a wasteful number, since it uses less digits than its factorization.

103213026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10463 (or 10460 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 103213026 is about 10159.3811819421. The cubic root of 103213026 is about 469.0777539250.

Adding to 103213026 its reverse (620312301), we get a palindrome (723525327).

The spelling of 103213026 in words is "one hundred three million, two hundred thirteen thousand, twenty-six".