106978751 has 8 divisors (see below), whose sum is σ = 118906704. Its totient is φ = 95417920.

The previous prime is 106978747. The next prime is 106978757. The reversal of 106978751 is 157879601.

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 106978751 - 2² = 106978747 is a prime.

It is a super-2 number, since 2×106978751² = 22888906331040002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106978757) 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, 91166 + ... + 92331.

It is an arithmetic number, because the mean of its divisors is an integer number (14863338).

Almost surely, 2^106978751 is an apocalyptic number.

106978751 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

106978751 is a deficient number, since it is larger than the sum of its proper divisors (11927953).

106978751 is a wasteful number, since it uses less digits than its factorization.

106978751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183561.

The product of its (nonzero) digits is 105840, while the sum is 44.

The square root of 106978751 is about 10343.0532726077. The cubic root of 106978751 is about 474.7145113653.

The spelling of 106978751 in words is "one hundred six million, nine hundred seventy-eight thousand, seven hundred fifty-one".