101621053 has 8 divisors (see below), whose sum is σ = 107904960. Its totient is φ = 95371200.

The previous prime is 101621041. The next prime is 101621081. The reversal of 101621053 is 350126101.

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

It is a cyclic number.

It is not a de Polignac number, because 101621053 - 2⁵ = 101621021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101621053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101621033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2223 + ... + 14428.

It is an arithmetic number, because the mean of its divisors is an integer number (13488120).

Almost surely, 2^101621053 is an apocalyptic number.

It is an amenable number.

101621053 is a deficient number, since it is larger than the sum of its proper divisors (6283907).

101621053 is a wasteful number, since it uses less digits than its factorization.

101621053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17027.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 101621053 is about 10080.7268091145. The cubic root of 101621053 is about 466.6535388030.

Adding to 101621053 its reverse (350126101), we get a palindrome (451747154).

The spelling of 101621053 in words is "one hundred one million, six hundred twenty-one thousand, fifty-three".