100484947 has 4 divisors (see below), whose sum is σ = 100613416. Its totient is φ = 100356480.

The previous prime is 100484941. The next prime is 100484987. The reversal of 100484947 is 749484001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 749484001 = 7 ⋅107069143.

It is a cyclic number.

It is not a de Polignac number, because 100484947 - 2⁷ = 100484819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100484941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63054 + ... + 64627.

It is an arithmetic number, because the mean of its divisors is an integer number (25153354).

Almost surely, 2^100484947 is an apocalyptic number.

100484947 is a deficient number, since it is larger than the sum of its proper divisors (128469).

100484947 is an equidigital number, since it uses as much as digits as its factorization.

100484947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128468.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 100484947 is about 10024.2180243648. The cubic root of 100484947 is about 464.9079819461.

The spelling of 100484947 in words is "one hundred million, four hundred eighty-four thousand, nine hundred forty-seven".