103028112 has 210 divisors, whose sum is σ = 333476486. Its totient is φ = 30792960.

The previous prime is 103028099. The next prime is 103028137. The reversal of 103028112 is 211820301.

It can be written as a sum of positive squares in only one way, i.e., 90326016 + 12702096 = 9504^2 + 3564^2 .

It is a super-2 number, since 2×103028112² = 21229583724569088, which contains 22 as substring.

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 41 ways as a sum of consecutive naturals, for example, 1411308 + ... + 1411380.

Almost surely, 2^103028112 is an apocalyptic number.

103028112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103028112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166738243).

103028112 is an abundant number, since it is smaller than the sum of its proper divisors (230448374).

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

103028112 is an equidigital number, since it uses as much as digits as its factorization.

103028112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 103028112 is about 10150.2764494372. The cubic root of 103028112 is about 468.7974569552.

Adding to 103028112 its reverse (211820301), we get a palindrome (314848413).

The spelling of 103028112 in words is "one hundred three million, twenty-eight thousand, one hundred twelve".