102984919 has 2 divisors, whose sum is σ = 102984920. Its totient is φ = 102984918.

The previous prime is 102984911. The next prime is 102984967. The reversal of 102984919 is 919489201.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (919489201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102984919 - 2³ = 102984911 is a prime.

It is a super-2 number, since 2×102984919² = 21211787082873122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102984911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51492459 + 51492460.

It is an arithmetic number, because the mean of its divisors is an integer number (51492460).

Almost surely, 2^102984919 is an apocalyptic number.

102984919 is a deficient number, since it is larger than the sum of its proper divisors (1).

102984919 is an equidigital number, since it uses as much as digits as its factorization.

102984919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 43.

The square root of 102984919 is about 10148.1485503514. The cubic root of 102984919 is about 468.7319356831.

The spelling of 102984919 in words is "one hundred two million, nine hundred eighty-four thousand, nine hundred nineteen".