101201438 has 16 divisors (see below), whose sum is σ = 167899200. Its totient is φ = 45445536.

The previous prime is 101201417. The next prime is 101201447. The reversal of 101201438 is 834102101.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 51638 + ... + 53561.

It is an arithmetic number, because the mean of its divisors is an integer number (10493700).

Almost surely, 2^101201438 is an apocalyptic number.

101201438 is a deficient number, since it is larger than the sum of its proper divisors (66697762).

101201438 is a wasteful number, since it uses less digits than its factorization.

101201438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105251.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 101201438 is about 10059.8925441577. The cubic root of 101201438 is about 466.0103487052.

Adding to 101201438 its reverse (834102101), we get a palindrome (935303539).

The spelling of 101201438 in words is "one hundred one million, two hundred one thousand, four hundred thirty-eight".