101742132678 has 48 divisors (see below), whose sum is σ = 225556289280. Its totient is φ = 30531301504.

The previous prime is 101742132673. The next prime is 101742132689. The reversal of 101742132678 is 876231247101.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101742132673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1235658 + ... + 1315421.

It is an arithmetic number, because the mean of its divisors is an integer number (4699089360).

Almost surely, 2^101742132678 is an apocalyptic number.

101742132678 is an abundant number, since it is smaller than the sum of its proper divisors (123814156602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101742132678 is a wasteful number, since it uses less digits than its factorization.

101742132678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551141 (or 2551124 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

Adding to 101742132678 its reverse (876231247101), we get a palindrome (977973379779).

The spelling of 101742132678 in words is "one hundred one billion, seven hundred forty-two million, one hundred thirty-two thousand, six hundred seventy-eight".