109378401 has 32 divisors (see below), whose sum is σ = 169084800. Its totient is φ = 62254080.

The previous prime is 109378397. The next prime is 109378403. The reversal of 109378401 is 104873901.

It is not a de Polignac number, because 109378401 - 2² = 109378397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (109378403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33865 + ... + 36953.

It is an arithmetic number, because the mean of its divisors is an integer number (5283900).

Almost surely, 2^109378401 is an apocalyptic number.

109378401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

109378401 is a deficient number, since it is larger than the sum of its proper divisors (59706399).

109378401 is a wasteful number, since it uses less digits than its factorization.

109378401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3169.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 109378401 is about 10458.4129293120. The cubic root of 109378401 is about 478.2377525019.

The spelling of 109378401 in words is "one hundred nine million, three hundred seventy-eight thousand, four hundred one".