102379381 has 8 divisors (see below), whose sum is σ = 110466104. Its totient is φ = 94322880.

The previous prime is 102379379. The next prime is 102379393. The reversal of 102379381 is 183973201.

It can be written as a sum of positive squares in 4 ways, for example, as 167281 + 102212100 = 409^2 + 10110^2 .

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 102379381 - 2¹ = 102379379 is a prime.

It is a super-2 number, since 2×102379381² = 20963075307886322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102377381) 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, 246 + ... + 14311.

It is an arithmetic number, because the mean of its divisors is an integer number (13808263).

Almost surely, 2^102379381 is an apocalyptic number.

It is an amenable number.

102379381 is a deficient number, since it is larger than the sum of its proper divisors (8086723).

102379381 is a wasteful number, since it uses less digits than its factorization.

102379381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15111.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 102379381 is about 10118.2696643250. The cubic root of 102379381 is about 467.8114347970.

The spelling of 102379381 in words is "one hundred two million, three hundred seventy-nine thousand, three hundred eighty-one".