102743941 has 2 divisors, whose sum is σ = 102743942. Its totient is φ = 102743940.

The previous prime is 102743939. The next prime is 102744011. The reversal of 102743941 is 149347201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87890625 + 14853316 = 9375^2 + 3854^2 .

It is a cyclic number.

It is not a de Polignac number, because 102743941 - 2¹ = 102743939 is a prime.

It is a super-2 number, since 2×102743941² = 21112634824422962, which contains 22 as substring.

Together with 102743939, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102743141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51371970 + 51371971.

It is an arithmetic number, because the mean of its divisors is an integer number (51371971).

Almost surely, 2^102743941 is an apocalyptic number.

It is an amenable number.

102743941 is a deficient number, since it is larger than the sum of its proper divisors (1).

102743941 is an equidigital number, since it uses as much as digits as its factorization.

102743941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 102743941 is about 10136.2685935210. The cubic root of 102743941 is about 468.3660494222.

It can be divided in two parts, 102743 and 941, that added together give a square (103684 = 322²).

The spelling of 102743941 in words is "one hundred two million, seven hundred forty-three thousand, nine hundred forty-one".