109921006 has 32 divisors (see below), whose sum is σ = 183744288. Its totient is φ = 48988800.

The previous prime is 109921003. The next prime is 109921069. The reversal of 109921006 is 600129901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109921003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156456 + ... + 157156.

It is an arithmetic number, because the mean of its divisors is an integer number (5742009).

Almost surely, 2^109921006 is an apocalyptic number.

109921006 is a deficient number, since it is larger than the sum of its proper divisors (73823282).

109921006 is a wasteful number, since it uses less digits than its factorization.

109921006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 109921006 is about 10484.3219141726. The cubic root of 109921006 is about 479.0272632643.

The spelling of 109921006 in words is "one hundred nine million, nine hundred twenty-one thousand, six".