102376981 has 4 divisors (see below), whose sum is σ = 117002272. Its totient is φ = 87751692.

The previous prime is 102376961. The next prime is 102376987. The reversal of 102376981 is 189673201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 189673201 = 587 ⋅323123.

It is not a de Polignac number, because 102376981 - 2¹⁹ = 101852693 is a prime.

It is a super-2 number, since 2×102376981² = 20962092477348722, which contains 22 as substring.

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 102376981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102376987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7312635 + ... + 7312648.

It is an arithmetic number, because the mean of its divisors is an integer number (29250568).

Almost surely, 2^102376981 is an apocalyptic number.

It is an amenable number.

102376981 is a deficient number, since it is larger than the sum of its proper divisors (14625291).

102376981 is an equidigital number, since it uses as much as digits as its factorization.

102376981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14625290.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 102376981 is about 10118.1510662769. The cubic root of 102376981 is about 467.8077792555.

The spelling of 102376981 in words is "one hundred two million, three hundred seventy-six thousand, nine hundred eighty-one".