101244254634 has 24 divisors (see below), whose sum is σ = 220304031012. Its totient is φ = 33603241920.

The previous prime is 101244254633. The next prime is 101244254641. The reversal of 101244254634 is 436452442101.

101244254634 is a `hidden beast` number, since 1 + 0 + 12 + 4 + 4 + 2 + 5 + 4 + 634 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 77508230409 + 23736024225 = 278403^2 + 154065^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (101244254633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12065937 + ... + 12074324.

Almost surely, 2^101244254634 is an apocalyptic number.

101244254634 is an abundant number, since it is smaller than the sum of its proper divisors (119059776378).

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

101244254634 is a wasteful number, since it uses less digits than its factorization.

101244254634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24140502 (or 24140499 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 101244254634 its reverse (436452442101), we get a palindrome (537696696735).

The spelling of 101244254634 in words is "one hundred one billion, two hundred forty-four million, two hundred fifty-four thousand, six hundred thirty-four".