103242428 has 48 divisors (see below), whose sum is σ = 206388000. Its totient is φ = 44881920.

The previous prime is 103242427. The next prime is 103242467. The reversal of 103242428 is 824242301.

It is a junction number, because it is equal to n+sod(n) for n = 103242397 and 103242406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103242427) 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, 51998 + ... + 53946.

It is an arithmetic number, because the mean of its divisors is an integer number (4299750).

Almost surely, 2^103242428 is an apocalyptic number.

It is an amenable number.

103242428 is a deficient number, since it is larger than the sum of its proper divisors (103145572).

103242428 is a wasteful number, since it uses less digits than its factorization.

103242428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030 (or 2028 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 103242428 is about 10160.8281158575. The cubic root of 103242428 is about 469.1222913096.

Adding to 103242428 its reverse (824242301), we get a palindrome (927484729).

The spelling of 103242428 in words is "one hundred three million, two hundred forty-two thousand, four hundred twenty-eight".