102640119 has 4 divisors (see below), whose sum is σ = 136853496. Its totient is φ = 68426744.

The previous prime is 102640103. The next prime is 102640123. The reversal of 102640119 is 911046201.

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 102640119 - 2⁴ = 102640103 is a prime.

It is a super-2 number, since 2×102640119² = 21069988056668322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102640919) 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, 17106684 + ... + 17106689.

It is an arithmetic number, because the mean of its divisors is an integer number (34213374).

Almost surely, 2^102640119 is an apocalyptic number.

102640119 is a deficient number, since it is larger than the sum of its proper divisors (34213377).

102640119 is an equidigital number, since it uses as much as digits as its factorization.

102640119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34213376.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 102640119 is about 10131.1459865111. The cubic root of 102640119 is about 468.2082360995.

The spelling of 102640119 in words is "one hundred two million, six hundred forty thousand, one hundred nineteen".