101252420756 has 6 divisors (see below), whose sum is σ = 177191736330. Its totient is φ = 50626210376.

The previous prime is 101252420741. The next prime is 101252420791. The reversal of 101252420756 is 657024252101.

It can be written as a sum of positive squares in only one way, i.e., 70508305156 + 30744115600 = 265534^2 + 175340^2 .

It is a super-2 number, since 2×101252420756² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12656552591 + ... + 12656552598.

It is an arithmetic number, because the mean of its divisors is an integer number (29531956055).

Almost surely, 2^101252420756 is an apocalyptic number.

It is an amenable number.

101252420756 is a deficient number, since it is larger than the sum of its proper divisors (75939315574).

101252420756 is a wasteful number, since it uses less digits than its factorization.

101252420756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25313105193 (or 25313105191 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

Adding to 101252420756 its reverse (657024252101), we get a palindrome (758276672857).

The spelling of 101252420756 in words is "one hundred one billion, two hundred fifty-two million, four hundred twenty thousand, seven hundred fifty-six".