109719401 has 8 divisors (see below), whose sum is σ = 121481184. Its totient is φ = 98255520.

The previous prime is 109719397. The next prime is 109719413. The reversal of 109719401 is 104917901.

It is a happy number.

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

It is not a de Polignac number, because 109719401 - 2² = 109719397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109719461) 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, 73700 + ... + 75173.

It is an arithmetic number, because the mean of its divisors is an integer number (15185148).

Almost surely, 2^109719401 is an apocalyptic number.

109719401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

109719401 is a deficient number, since it is larger than the sum of its proper divisors (11761783).

109719401 is a wasteful number, since it uses less digits than its factorization.

109719401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148951.

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 109719401 is about 10474.7029074814. The cubic root of 109719401 is about 478.7342243596.

The spelling of 109719401 in words is "one hundred nine million, seven hundred nineteen thousand, four hundred one".