101630543 has 16 divisors (see below), whose sum is σ = 120062976. Its totient is φ = 84218400.

The previous prime is 101630531. The next prime is 101630549. The reversal of 101630543 is 345036101.

It is a happy number.

It is not a de Polignac number, because 101630543 - 2⁶ = 101630479 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101630549) 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 15 ways as a sum of consecutive naturals, for example, 28730 + ... + 32072.

It is an arithmetic number, because the mean of its divisors is an integer number (7503936).

Almost surely, 2^101630543 is an apocalyptic number.

101630543 is a deficient number, since it is larger than the sum of its proper divisors (18432433).

101630543 is a wasteful number, since it uses less digits than its factorization.

101630543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3494.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 101630543 is about 10081.1974983134. The cubic root of 101630543 is about 466.6680646784.

Adding to 101630543 its reverse (345036101), we get a palindrome (446666644).

The spelling of 101630543 in words is "one hundred one million, six hundred thirty thousand, five hundred forty-three".