101240043 has 16 divisors (see below), whose sum is σ = 141204480. Its totient is φ = 64399104.

The previous prime is 101240023. The next prime is 101240059. The reversal of 101240043 is 340042101.

It is not a de Polignac number, because 101240043 - 2⁶ = 101239979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101240023) 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 15 ways as a sum of consecutive naturals, for example, 30363 + ... + 33531.

It is an arithmetic number, because the mean of its divisors is an integer number (8825280).

Almost surely, 2^101240043 is an apocalyptic number.

101240043 is a deficient number, since it is larger than the sum of its proper divisors (39964437).

101240043 is a wasteful number, since it uses less digits than its factorization.

101240043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3658.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 101240043 is about 10061.8111192767. The cubic root of 101240043 is about 466.0695970149.

Adding to 101240043 its reverse (340042101), we get a palindrome (441282144).

The spelling of 101240043 in words is "one hundred one million, two hundred forty thousand, forty-three".