101973481 has 8 divisors (see below), whose sum is σ = 104443304. Its totient is φ = 99532800.

The previous prime is 101973451. The next prime is 101973491. The reversal of 101973481 is 184379101.

101973481 = 7140² + 7141².

It can be written as a sum of positive squares in 4 ways, for example, as 50993881 + 50979600 = 7141^2 + 7140^2 .

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

It is a 5-Lehmer number, since φ(101973481) divides (101973481-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 101973481 - 2¹³ = 101965289 is a prime.

It is a super-2 number, since 2×101973481² = 20797181654514722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101973451) 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 7 ways as a sum of consecutive naturals, for example, 120 + ... + 14281.

It is an arithmetic number, because the mean of its divisors is an integer number (13055413).

Almost surely, 2^101973481 is an apocalyptic number.

101973481 is the 7141-st centered square number.

It is an amenable number.

101973481 is a deficient number, since it is larger than the sum of its proper divisors (2469823).

101973481 is an equidigital number, since it uses as much as digits as its factorization.

101973481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14571.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 101973481 is about 10098.1919668820. The cubic root of 101973481 is about 467.1923773371.

The spelling of 101973481 in words is "one hundred one million, nine hundred seventy-three thousand, four hundred eighty-one".