101921038 has 16 divisors (see below), whose sum is σ = 154312704. Its totient is φ = 50486040.

The previous prime is 101921033. The next prime is 101921041. The reversal of 101921038 is 830129101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101921033) 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 7 ways as a sum of consecutive naturals, for example, 139831 + ... + 140557.

It is an arithmetic number, because the mean of its divisors is an integer number (9644544).

Almost surely, 2^101921038 is an apocalyptic number.

101921038 is a deficient number, since it is larger than the sum of its proper divisors (52391666).

101921038 is a wasteful number, since it uses less digits than its factorization.

101921038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 101921038 is about 10095.5949799900. The cubic root of 101921038 is about 467.1122742524.

The spelling of 101921038 in words is "one hundred one million, nine hundred twenty-one thousand, thirty-eight".