103234021 has 16 divisors (see below), whose sum is σ = 115403328. Its totient is φ = 91555200.

The previous prime is 103233967. The next prime is 103234031. The reversal of 103234021 is 120432301.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-103234021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103233986 and 103234004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103234031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91366 + ... + 92488.

It is an arithmetic number, because the mean of its divisors is an integer number (7212708).

Almost surely, 2^103234021 is an apocalyptic number.

103234021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103234021 is a deficient number, since it is larger than the sum of its proper divisors (12169307).

103234021 is a wasteful number, since it uses less digits than its factorization.

103234021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 103234021 is about 10160.4144108397. The cubic root of 103234021 is about 469.1095574681.

Adding to 103234021 its reverse (120432301), we get a palindrome (223666322).

It can be divided in two parts, 1032 and 34021, that added together give a palindrome (35053).

The spelling of 103234021 in words is "one hundred three million, two hundred thirty-four thousand, twenty-one".