103561256 has 8 divisors (see below), whose sum is σ = 194177370. Its totient is φ = 51780624.

The previous prime is 103561253. The next prime is 103561301. The reversal of 103561256 is 652165301.

It can be written as a sum of positive squares in only one way, i.e., 103022500 + 538756 = 10150^2 + 734^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×103561256³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (103561253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6472571 + ... + 6472586.

Almost surely, 2^103561256 is an apocalyptic number.

It is an amenable number.

103561256 is a deficient number, since it is larger than the sum of its proper divisors (90616114).

103561256 is a wasteful number, since it uses less digits than its factorization.

103561256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12945163 (or 12945159 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 103561256 is about 10176.5050975273. The cubic root of 103561256 is about 469.6047015753.

The spelling of 103561256 in words is "one hundred three million, five hundred sixty-one thousand, two hundred fifty-six".