102063919 has 4 divisors (see below), whose sum is σ = 103737160. Its totient is φ = 100390680.

The previous prime is 102063911. The next prime is 102064007. The reversal of 102063919 is 919360201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102063919 - 2³ = 102063911 is a prime.

It is a super-2 number, since 2×102063919² = 20834087123277122, 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 (102063911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 836529 + ... + 836650.

It is an arithmetic number, because the mean of its divisors is an integer number (25934290).

Almost surely, 2^102063919 is an apocalyptic number.

102063919 is a deficient number, since it is larger than the sum of its proper divisors (1673241).

102063919 is an equidigital number, since it uses as much as digits as its factorization.

102063919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673240.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 102063919 is about 10102.6689047994. The cubic root of 102063919 is about 467.3304506845.

The spelling of 102063919 in words is "one hundred two million, sixty-three thousand, nine hundred nineteen".