109971356 has 24 divisors (see below), whose sum is σ = 211559040. Its totient is φ = 49602800.

The previous prime is 109971341. The next prime is 109971359. The reversal of 109971356 is 653179901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109971359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3776 + ... + 15303.

It is an arithmetic number, because the mean of its divisors is an integer number (8814960).

Almost surely, 2^109971356 is an apocalyptic number.

It is an amenable number.

109971356 is a deficient number, since it is larger than the sum of its proper divisors (101587684).

109971356 is a wasteful number, since it uses less digits than its factorization.

109971356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19225 (or 19223 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 41.

The square root of 109971356 is about 10486.7228436724. The cubic root of 109971356 is about 479.1003925714.

The spelling of 109971356 in words is "one hundred nine million, nine hundred seventy-one thousand, three hundred fifty-six".