106239078 has 24 divisors (see below), whose sum is σ = 251111016. Its totient is φ = 32193600.

The previous prime is 106239073. The next prime is 106239079. The reversal of 106239078 is 870932601.

It is a super-2 number, since 2×106239078² = 22573483388580168, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106239073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 268083 + ... + 268478.

It is an arithmetic number, because the mean of its divisors is an integer number (10462959).

Almost surely, 2^106239078 is an apocalyptic number.

106239078 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

106239078 is an abundant number, since it is smaller than the sum of its proper divisors (144871938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106239078 is a wasteful number, since it uses less digits than its factorization.

106239078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536580 (or 536577 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 106239078 is about 10307.2342556090. The cubic root of 106239078 is about 473.6178889173.

It can be divided in two parts, 10623 and 9078, that added together give a triangular number (19701 = T₁₉₈).

The spelling of 106239078 in words is "one hundred six million, two hundred thirty-nine thousand, seventy-eight".