100481961 has 8 divisors (see below), whose sum is σ = 134270944. Its totient is φ = 66840480.

The previous prime is 100481957. The next prime is 100481981. The reversal of 100481961 is 169184001.

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

It is not a de Polignac number, because 100481961 - 2² = 100481957 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100481921) 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, 35275 + ... + 38016.

It is an arithmetic number, because the mean of its divisors is an integer number (16783868).

Almost surely, 2^100481961 is an apocalyptic number.

It is an amenable number.

100481961 is a deficient number, since it is larger than the sum of its proper divisors (33788983).

100481961 is an equidigital number, since it uses as much as digits as its factorization.

100481961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73751.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 100481961 is about 10024.0690839599. The cubic root of 100481961 is about 464.9033768484.

The spelling of 100481961 in words is "one hundred million, four hundred eighty-one thousand, nine hundred sixty-one".