100412501 has 4 divisors (see below), whose sum is σ = 114757152. Its totient is φ = 86067852.

The previous prime is 100412479. The next prime is 100412509. The reversal of 100412501 is 105214001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100412501 - 2⁶ = 100412437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100412509) 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, 7172315 + ... + 7172328.

It is an arithmetic number, because the mean of its divisors is an integer number (28689288).

Almost surely, 2^100412501 is an apocalyptic number.

It is an amenable number.

100412501 is a deficient number, since it is larger than the sum of its proper divisors (14344651).

100412501 is an equidigital number, since it uses as much as digits as its factorization.

100412501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14344650.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 100412501 is about 10020.6038241216. The cubic root of 100412501 is about 464.7962278240.

Adding to 100412501 its reverse (105214001), we get a palindrome (205626502).

The spelling of 100412501 in words is "one hundred million, four hundred twelve thousand, five hundred one".