102743911 has 4 divisors (see below), whose sum is σ = 103359312. Its totient is φ = 102128512.

The previous prime is 102743891. The next prime is 102743917. The reversal of 102743911 is 119347201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 119347201 = 2437 ⋅48973.

It is a cyclic number.

It is not a de Polignac number, because 102743911 - 2¹⁵ = 102711143 is a prime.

It is a super-2 number, since 2×102743911² = 21112622495151842, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102743911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102743917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307450 + ... + 307783.

It is an arithmetic number, because the mean of its divisors is an integer number (25839828).

Almost surely, 2^102743911 is an apocalyptic number.

102743911 is a deficient number, since it is larger than the sum of its proper divisors (615401).

102743911 is an equidigital number, since it uses as much as digits as its factorization.

102743911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615400.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 102743911 is about 10136.2671136864. The cubic root of 102743911 is about 468.3660038364.

The spelling of 102743911 in words is "one hundred two million, seven hundred forty-three thousand, nine hundred eleven".