109017956 has 6 divisors (see below), whose sum is σ = 190781430. Its totient is φ = 54508976.

The previous prime is 109017949. The next prime is 109017973. The reversal of 109017956 is 659710901.

It can be written as a sum of positive squares in only one way, i.e., 54760000 + 54257956 = 7400^2 + 7366^2 .

It is a super-3 number, since 3×109017956³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13627241 + ... + 13627248.

It is an arithmetic number, because the mean of its divisors is an integer number (31796905).

Almost surely, 2^109017956 is an apocalyptic number.

It is an amenable number.

109017956 is a deficient number, since it is larger than the sum of its proper divisors (81763474).

109017956 is a wasteful number, since it uses less digits than its factorization.

109017956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27254493 (or 27254491 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 38.

The square root of 109017956 is about 10441.1664099372. The cubic root of 109017956 is about 477.7118470087.

The spelling of 109017956 in words is "one hundred nine million, seventeen thousand, nine hundred fifty-six".