103561156 has 12 divisors (see below), whose sum is σ = 181319292. Its totient is φ = 51755648.

The previous prime is 103561151. The next prime is 103561181. The reversal of 103561156 is 651165301.

It can be written as a sum of positive squares in 2 ways, for example, as 34105600 + 69455556 = 5840^2 + 8334^2 .

It is a super-3 number, since 3×103561156³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (103561151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5616 + ... + 15448.

It is an arithmetic number, because the mean of its divisors is an integer number (15109941).

Almost surely, 2^103561156 is an apocalyptic number.

It is an amenable number.

103561156 is a deficient number, since it is larger than the sum of its proper divisors (77758136).

103561156 is a wasteful number, since it uses less digits than its factorization.

103561156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12470 (or 12468 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 103561156 is about 10176.5001842480. The cubic root of 103561156 is about 469.6045504233.

The spelling of 103561156 in words is "one hundred three million, five hundred sixty-one thousand, one hundred fifty-six".