103561828 has 6 divisors (see below), whose sum is σ = 181233206. Its totient is φ = 51780912.

The previous prime is 103561823. The next prime is 103561831. The reversal of 103561828 is 828165301.

It can be written as a sum of positive squares in only one way, i.e., 71774784 + 31787044 = 8472^2 + 5638^2 .

It is a super-3 number, since 3×103561828³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103561793 and 103561802.

It is not an unprimeable number, because it can be changed into a prime (103561823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12945225 + ... + 12945232.

Almost surely, 2^103561828 is an apocalyptic number.

It is an amenable number.

103561828 is a deficient number, since it is larger than the sum of its proper divisors (77671378).

103561828 is a wasteful number, since it uses less digits than its factorization.

103561828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25890461 (or 25890459 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 103561828 is about 10176.5332014395. The cubic root of 103561828 is about 469.6055661631.

The spelling of 103561828 in words is "one hundred three million, five hundred sixty-one thousand, eight hundred twenty-eight".