101012043 has 32 divisors (see below), whose sum is σ = 152635392. Its totient is φ = 58867200.

The previous prime is 101012033. The next prime is 101012053. The reversal of 101012043 is 340210101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (101012033) and next prime (101012053).

It is not a de Polignac number, because 101012043 - 2¹⁰ = 101011019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101012033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 299571 + ... + 299907.

It is an arithmetic number, because the mean of its divisors is an integer number (4769856).

Almost surely, 2^101012043 is an apocalyptic number.

101012043 is a deficient number, since it is larger than the sum of its proper divisors (51623349).

101012043 is a wasteful number, since it uses less digits than its factorization.

101012043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 101012043 is about 10050.4747649054. The cubic root of 101012043 is about 465.7194597363.

Adding to 101012043 its reverse (340210101), we get a palindrome (441222144).

The spelling of 101012043 in words is "one hundred one million, twelve thousand, forty-three".