102076643 has 4 divisors (see below), whose sum is σ = 102371160. Its totient is φ = 101782128.

The previous prime is 102076633. The next prime is 102076649. The reversal of 102076643 is 346670201.

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 102076643 - 2¹⁸ = 101814499 is a prime.

It is a super-2 number, since 2×102076643² = 20839282092298898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102076649) 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, 146738 + ... + 147431.

It is an arithmetic number, because the mean of its divisors is an integer number (25592790).

Almost surely, 2^102076643 is an apocalyptic number.

102076643 is a deficient number, since it is larger than the sum of its proper divisors (294517).

102076643 is an equidigital number, since it uses as much as digits as its factorization.

102076643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294516.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 102076643 is about 10103.2986197578. The cubic root of 102076643 is about 467.3498701020.

The spelling of 102076643 in words is "one hundred two million, seventy-six thousand, six hundred forty-three".