100409042 has 8 divisors (see below), whose sum is σ = 154116336. Its totient is φ = 49036932.

The previous prime is 100409039. The next prime is 100409047. The reversal of 100409042 is 240904001.

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

It is not an unprimeable number, because it can be changed into a prime (100409047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583688 + ... + 583859.

It is an arithmetic number, because the mean of its divisors is an integer number (19264542).

Almost surely, 2^100409042 is an apocalyptic number.

100409042 is a deficient number, since it is larger than the sum of its proper divisors (53707294).

100409042 is a wasteful number, since it uses less digits than its factorization.

100409042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167592.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 100409042 is about 10020.4312282456. The cubic root of 100409042 is about 464.7908906777.

The spelling of 100409042 in words is "one hundred million, four hundred nine thousand, forty-two".