102680019 has 24 divisors (see below), whose sum is σ = 162354192. Its totient is φ = 62147520.

The previous prime is 102679991. The next prime is 102680021. The reversal of 102680019 is 910086201.

It is not a de Polignac number, because 102680019 - 2⁷ = 102679891 is a prime.

It is a super-2 number, since 2×102680019² = 21086372603680722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102679974 and 102680001.

It is not an unprimeable number, because it can be changed into a prime (102680059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57 + ... + 14330.

It is an arithmetic number, because the mean of its divisors is an integer number (6764758).

Almost surely, 2^102680019 is an apocalyptic number.

102680019 is a deficient number, since it is larger than the sum of its proper divisors (59674173).

102680019 is a wasteful number, since it uses less digits than its factorization.

102680019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14467 (or 14464 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 102680019 is about 10133.1149702350. The cubic root of 102680019 is about 468.2688981765.

The spelling of 102680019 in words is "one hundred two million, six hundred eighty thousand, nineteen".