102744541 has 2 divisors, whose sum is σ = 102744542. Its totient is φ = 102744540.

The previous prime is 102744539. The next prime is 102744601. The reversal of 102744541 is 145447201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95160025 + 7584516 = 9755^2 + 2754^2 .

It is a cyclic number.

It is not a de Polignac number, because 102744541 - 2¹ = 102744539 is a prime.

Together with 102744539, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102744511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51372270 + 51372271.

It is an arithmetic number, because the mean of its divisors is an integer number (51372271).

Almost surely, 2^102744541 is an apocalyptic number.

It is an amenable number.

102744541 is a deficient number, since it is larger than the sum of its proper divisors (1).

102744541 is an equidigital number, since it uses as much as digits as its factorization.

102744541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 102744541 is about 10136.2981901678. The cubic root of 102744541 is about 468.3669611356.

It can be divided in two parts, 102744 and 541, that added together give a triangular number (103285 = T₄₅₄).

The spelling of 102744541 in words is "one hundred two million, seven hundred forty-four thousand, five hundred forty-one".