106999047 has 12 divisors (see below), whose sum is σ = 154696464. Its totient is φ = 71267040.

The previous prime is 106999031. The next prime is 106999091. The reversal of 106999047 is 740999601.

It is not a de Polignac number, because 106999047 - 2⁴ = 106999031 is a prime.

It is a super-2 number, since 2×106999047² = 22897592117816418, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106998993 and 106999011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106999147) 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, 6147 + ... + 15867.

It is an arithmetic number, because the mean of its divisors is an integer number (12891372).

Almost surely, 2^106999047 is an apocalyptic number.

106999047 is a deficient number, since it is larger than the sum of its proper divisors (47697417).

106999047 is a wasteful number, since it uses less digits than its factorization.

106999047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10950 (or 10947 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 106999047 is about 10344.0343676923. The cubic root of 106999047 is about 474.7445303999.

The spelling of 106999047 in words is "one hundred six million, nine hundred ninety-nine thousand, forty-seven".