102736021 has 8 divisors (see below), whose sum is σ = 108862400. Its totient is φ = 96681600.

The previous prime is 102736003. The next prime is 102736043. The reversal of 102736021 is 120637201.

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 102736021 - 2¹⁵ = 102703253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102735983 and 102736001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102736001) 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, 15036 + ... + 20773.

It is an arithmetic number, because the mean of its divisors is an integer number (13607800).

Almost surely, 2^102736021 is an apocalyptic number.

It is an amenable number.

102736021 is a deficient number, since it is larger than the sum of its proper divisors (6126379).

102736021 is a wasteful number, since it uses less digits than its factorization.

102736021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35979.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 102736021 is about 10135.8779096830. The cubic root of 102736021 is about 468.3540144727.

The spelling of 102736021 in words is "one hundred two million, seven hundred thirty-six thousand, twenty-one".