103561436 has 48 divisors (see below), whose sum is σ = 205964640. Its totient is φ = 45131520.

The previous prime is 103561429. The next prime is 103561441. The reversal of 103561436 is 634165301.

It is a happy number.

It is a super-3 number, since 3×103561436³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 103561399 and 103561408.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 353306 + ... + 353598.

It is an arithmetic number, because the mean of its divisors is an integer number (4290930).

Almost surely, 2^103561436 is an apocalyptic number.

It is an amenable number.

103561436 is a deficient number, since it is larger than the sum of its proper divisors (102403204).

103561436 is a wasteful number, since it uses less digits than its factorization.

103561436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614 (or 612 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 103561436 is about 10176.5139414241. The cubic root of 103561436 is about 469.6049736488.

The spelling of 103561436 in words is "one hundred three million, five hundred sixty-one thousand, four hundred thirty-six".