102826541 has 4 divisors (see below), whose sum is σ = 104512284. Its totient is φ = 101140800.

The previous prime is 102826517. The next prime is 102826543. The reversal of 102826541 is 145628201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25210441 + 77616100 = 5021^2 + 8810^2 .

It is a cyclic number.

It is not a de Polignac number, because 102826541 - 2¹⁰ = 102825517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102826543) 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, 842780 + ... + 842901.

It is an arithmetic number, because the mean of its divisors is an integer number (26128071).

Almost surely, 2^102826541 is an apocalyptic number.

It is an amenable number.

102826541 is a deficient number, since it is larger than the sum of its proper divisors (1685743).

102826541 is an equidigital number, since it uses as much as digits as its factorization.

102826541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685742.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 102826541 is about 10140.3422526067. The cubic root of 102826541 is about 468.4915285910.

The spelling of 102826541 in words is "one hundred two million, eight hundred twenty-six thousand, five hundred forty-one".