106978 has 8 divisors (see below), whose sum is σ = 162540. Its totient is φ = 52800.

The previous prime is 106963. The next prime is 106979. The reversal of 106978 is 879601.

It can be written as a sum of positive squares in 2 ways, for example, as 106929 + 49 = 327^2 + 7^2 .

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

It is a super-2 number, since 2×106978² = 22888584968, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 106978.

It is not an unprimeable number, because it can be changed into a prime (106979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123 + ... + 478.

2¹⁰⁶⁹⁷⁸ is an apocalyptic number.

106978 is a deficient number, since it is larger than the sum of its proper divisors (55562).

106978 is an equidigital number, since it uses as much as digits as its factorization.

106978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 106978 is about 327.0749149660. The cubic root of 106978 is about 47.4713400517.

The spelling of 106978 in words is "one hundred six thousand, nine hundred seventy-eight".