108437281 has 8 divisors (see below), whose sum is σ = 109857384. Its totient is φ = 107026560.

The previous prime is 108437279. The next prime is 108437297. The reversal of 108437281 is 182734801.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1934881 + 106502400 = 1391^2 + 10320^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 108437281 - 2¹ = 108437279 is a prime.

It is a super-2 number, since 2×108437281² = 23517287821345922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108437201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22611 + ... + 26983.

It is an arithmetic number, because the mean of its divisors is an integer number (13732173).

Almost surely, 2^108437281 is an apocalyptic number.

It is an amenable number.

108437281 is a deficient number, since it is larger than the sum of its proper divisors (1420103).

108437281 is a wasteful number, since it uses less digits than its factorization.

108437281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4691.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 108437281 is about 10413.3222844585. The cubic root of 108437281 is about 476.8621726150.

The spelling of 108437281 in words is "one hundred eight million, four hundred thirty-seven thousand, two hundred eighty-one".