101442873 has 32 divisors (see below), whose sum is σ = 159989760. Its totient is φ = 55972800.

The previous prime is 101442871. The next prime is 101442877. The reversal of 101442873 is 378244101.

It is not a de Polignac number, because 101442873 - 2¹ = 101442871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101442873.

It is not an unprimeable number, because it can be changed into a prime (101442871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77323 + ... + 78623.

It is an arithmetic number, because the mean of its divisors is an integer number (4999680).

Almost surely, 2^101442873 is an apocalyptic number.

It is an amenable number.

101442873 is a deficient number, since it is larger than the sum of its proper divisors (58546887).

101442873 is a wasteful number, since it uses less digits than its factorization.

101442873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 101442873 is about 10071.8852753593. The cubic root of 101442873 is about 466.3806394078.

Adding to 101442873 its reverse (378244101), we get a palindrome (479686974).

The spelling of 101442873 in words is "one hundred one million, four hundred forty-two thousand, eight hundred seventy-three".