100404501 has 16 divisors (see below), whose sum is σ = 135495360. Its totient is φ = 66130560.

The previous prime is 100404487. The next prime is 100404509. The reversal of 100404501 is 105404001.

It is not a de Polignac number, because 100404501 - 2¹⁴ = 100388117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100404509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96681 + ... + 97713.

It is an arithmetic number, because the mean of its divisors is an integer number (8468460).

Almost surely, 2^100404501 is an apocalyptic number.

It is an amenable number.

100404501 is a deficient number, since it is larger than the sum of its proper divisors (35090859).

100404501 is a wasteful number, since it uses less digits than its factorization.

100404501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 100404501 is about 10020.2046386289. The cubic root of 100404501 is about 464.7838838478.

Adding to 100404501 its reverse (105404001), we get a palindrome (205808502).

It can be divided in two parts, 10040 and 4501, that added together give a palindrome (14541).

The spelling of 100404501 in words is "one hundred million, four hundred four thousand, five hundred one".