102351021 has 8 divisors (see below), whose sum is σ = 137000064. Its totient is φ = 67968000.

The previous prime is 102351019. The next prime is 102351059. The reversal of 102351021 is 120153201.

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

It is not a de Polignac number, because 102351021 - 2¹ = 102351019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102351001) 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, 65605 + ... + 67146.

It is an arithmetic number, because the mean of its divisors is an integer number (17125008).

Almost surely, 2^102351021 is an apocalyptic number.

It is an amenable number.

102351021 is a deficient number, since it is larger than the sum of its proper divisors (34649043).

102351021 is a wasteful number, since it uses less digits than its factorization.

102351021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133011.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 102351021 is about 10116.8681418708. The cubic root of 102351021 is about 467.7682348304.

The spelling of 102351021 in words is "one hundred two million, three hundred fifty-one thousand, twenty-one".