100542506 has 8 divisors (see below), whose sum is σ = 151048800. Its totient is φ = 50192908.

The previous prime is 100542473. The next prime is 100542511. The reversal of 100542506 is 605245001.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37556 + ... + 40143.

It is an arithmetic number, because the mean of its divisors is an integer number (18881100).

Almost surely, 2^100542506 is an apocalyptic number.

100542506 is a deficient number, since it is larger than the sum of its proper divisors (50506294).

100542506 is an equidigital number, since it uses as much as digits as its factorization.

100542506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78348.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 100542506 is about 10027.0886103594. The cubic root of 100542506 is about 464.9967333181.

Adding to 100542506 its reverse (605245001), we get a palindrome (705787507).

The spelling of 100542506 in words is "one hundred million, five hundred forty-two thousand, five hundred six".