101539401 has 8 divisors (see below), whose sum is σ = 142511520. Its totient is φ = 64130112.

The previous prime is 101539397. The next prime is 101539483. The reversal of 101539401 is 104935101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101539401 - 2² = 101539397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101531401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 890640 + ... + 890753.

It is an arithmetic number, because the mean of its divisors is an integer number (17813940).

Almost surely, 2^101539401 is an apocalyptic number.

It is an amenable number.

101539401 is a deficient number, since it is larger than the sum of its proper divisors (40972119).

101539401 is a wasteful number, since it uses less digits than its factorization.

101539401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781415.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 101539401 is about 10076.6760888698. The cubic root of 101539401 is about 466.5285207304.

The spelling of 101539401 in words is "one hundred one million, five hundred thirty-nine thousand, four hundred one".