109155401 has 8 divisors (see below), whose sum is σ = 114912000. Its totient is φ = 103483072.

The previous prime is 109155379. The next prime is 109155421. The reversal of 109155401 is 104551901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 109155401 - 2⁶ = 109155337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (109155421) 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, 18401 + ... + 23598.

It is an arithmetic number, because the mean of its divisors is an integer number (14364000).

Almost surely, 2^109155401 is an apocalyptic number.

It is an amenable number.

109155401 is a deficient number, since it is larger than the sum of its proper divisors (5756599).

109155401 is a wasteful number, since it uses less digits than its factorization.

109155401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42135.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 109155401 is about 10447.7462162899. The cubic root of 109155401 is about 477.9125219959.

The spelling of 109155401 in words is "one hundred nine million, one hundred fifty-five thousand, four hundred one".