101634481 has 4 divisors (see below), whose sum is σ = 109452532. Its totient is φ = 93816432.

The previous prime is 101634457. The next prime is 101634487. The reversal of 101634481 is 184436101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55950400 + 45684081 = 7480^2 + 6759^2 .

It is a cyclic number.

It is not a de Polignac number, because 101634481 - 2⁹ = 101633969 is a prime.

It is a super-2 number, since 2×101634481² = 20659135456278722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101634487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3909006 + ... + 3909031.

It is an arithmetic number, because the mean of its divisors is an integer number (27363133).

Almost surely, 2^101634481 is an apocalyptic number.

It is an amenable number.

101634481 is a deficient number, since it is larger than the sum of its proper divisors (7818051).

101634481 is an equidigital number, since it uses as much as digits as its factorization.

101634481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7818050.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 101634481 is about 10081.3928105198. The cubic root of 101634481 is about 466.6740921154.

The spelling of 101634481 in words is "one hundred one million, six hundred thirty-four thousand, four hundred eighty-one".