101240054 has 4 divisors (see below), whose sum is σ = 151860084. Its totient is φ = 50620026.

The previous prime is 101240023. The next prime is 101240059. The reversal of 101240054 is 450042101.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101240059) 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 as a sum of consecutive naturals, namely, 25310012 + ... + 25310015.

It is an arithmetic number, because the mean of its divisors is an integer number (37965021).

Almost surely, 2^101240054 is an apocalyptic number.

101240054 is a deficient number, since it is larger than the sum of its proper divisors (50620030).

101240054 is an equidigital number, since it uses as much as digits as its factorization.

101240054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50620029.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 101240054 is about 10061.8116658979. The cubic root of 101240054 is about 466.0696138948.

Adding to 101240054 its reverse (450042101), we get a palindrome (551282155).

The spelling of 101240054 in words is "one hundred one million, two hundred forty thousand, fifty-four".