101032142 has 4 divisors (see below), whose sum is σ = 151548216. Its totient is φ = 50516070.

The previous prime is 101032121. The next prime is 101032147. The reversal of 101032142 is 241230101.

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 (101032147) 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 as a sum of consecutive naturals, namely, 25258034 + ... + 25258037.

It is an arithmetic number, because the mean of its divisors is an integer number (37887054).

Almost surely, 2^101032142 is an apocalyptic number.

101032142 is a deficient number, since it is larger than the sum of its proper divisors (50516074).

101032142 is an equidigital number, since it uses as much as digits as its factorization.

101032142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50516073.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 101032142 is about 10051.4746181841. The cubic root of 101032142 is about 465.7503467289.

Adding to 101032142 its reverse (241230101), we get a palindrome (342262243).

The spelling of 101032142 in words is "one hundred one million, thirty-two thousand, one hundred forty-two".