100629505 has 8 divisors (see below), whose sum is σ = 120815424. Its totient is φ = 80463600.

The previous prime is 100629497. The next prime is 100629509. The reversal of 100629505 is 505926001.

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

It is not a de Polignac number, because 100629505 - 2³ = 100629497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100629509) 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, 10350 + ... + 17560.

It is an arithmetic number, because the mean of its divisors is an integer number (15101928).

Almost surely, 2^100629505 is an apocalyptic number.

It is an amenable number.

100629505 is a deficient number, since it is larger than the sum of its proper divisors (20185919).

100629505 is an equidigital number, since it uses as much as digits as its factorization.

100629505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10007.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 100629505 is about 10031.4258707324. The cubic root of 100629505 is about 465.1308145464.

The spelling of 100629505 in words is "one hundred million, six hundred twenty-nine thousand, five hundred five".