101252420726 has 32 divisors (see below), whose sum is σ = 161495175168. Its totient is φ = 47511351360.

The previous prime is 101252420701. The next prime is 101252420741. The reversal of 101252420726 is 627024252101.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 101252420692 and 101252420701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562445 + ... + 720311.

It is an arithmetic number, because the mean of its divisors is an integer number (5046724224).

Almost surely, 2^101252420726 is an apocalyptic number.

101252420726 is a deficient number, since it is larger than the sum of its proper divisors (60242754442).

101252420726 is a wasteful number, since it uses less digits than its factorization.

101252420726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158156.

The product of its (nonzero) digits is 13440, while the sum is 32.

Adding to 101252420726 its reverse (627024252101), we get a palindrome (728276672827).

The spelling of 101252420726 in words is "one hundred one billion, two hundred fifty-two million, four hundred twenty thousand, seven hundred twenty-six".