102187452743 has 4 divisors (see below), whose sum is σ = 105711158040. Its totient is φ = 98663747448.

The previous prime is 102187452713. The next prime is 102187452749. The reversal of 102187452743 is 347254781201.

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 102187452743 - 2²² = 102183258439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102187452694 and 102187452703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102187452749) 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, 1761852605 + ... + 1761852662.

It is an arithmetic number, because the mean of its divisors is an integer number (26427789510).

Almost surely, 2^102187452743 is an apocalyptic number.

102187452743 is a deficient number, since it is larger than the sum of its proper divisors (3523705297).

102187452743 is an equidigital number, since it uses as much as digits as its factorization.

102187452743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3523705296.

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 102187452743 in words is "one hundred two billion, one hundred eighty-seven million, four hundred fifty-two thousand, seven hundred forty-three".