101672121634 has 8 divisors (see below), whose sum is σ = 152515514268. Its totient is φ = 50833616880.

The previous prime is 101672121613. The next prime is 101672121647. The reversal of 101672121634 is 436121276101.

It can be written as a sum of positive squares in 2 ways, for example, as 91999989225 + 9672132409 = 303315^2 + 98347^2 .

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

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

It is a self number, because there is not a number n which added to its sum of digits gives 101672121634.

It is an unprimeable number.

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, 1169517 + ... + 1253440.

Almost surely, 2^101672121634 is an apocalyptic number.

101672121634 is a deficient number, since it is larger than the sum of its proper divisors (50843392634).

101672121634 is a wasteful number, since it uses less digits than its factorization.

101672121634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443940.

The product of its (nonzero) digits is 12096, while the sum is 34.

Adding to 101672121634 its reverse (436121276101), we get a palindrome (537793397735).

The spelling of 101672121634 in words is "one hundred one billion, six hundred seventy-two million, one hundred twenty-one thousand, six hundred thirty-four".