101243454 has 16 divisors (see below), whose sum is σ = 218062992. Its totient is φ = 31151808.

The previous prime is 101243453. The next prime is 101243479. The reversal of 101243454 is 454342101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101243453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648919 + ... + 649074.

It is an arithmetic number, because the mean of its divisors is an integer number (13628937).

Almost surely, 2^101243454 is an apocalyptic number.

101243454 is an abundant number, since it is smaller than the sum of its proper divisors (116819538).

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

101243454 is a wasteful number, since it uses less digits than its factorization.

101243454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298011.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 101243454 is about 10061.9806201364. The cubic root of 101243454 is about 466.0748312598.

Adding to 101243454 its reverse (454342101), we get a palindrome (555585555).

The spelling of 101243454 in words is "one hundred one million, two hundred forty-three thousand, four hundred fifty-four".