102378879041 has 2 divisors, whose sum is σ = 102378879042. Its totient is φ = 102378879040.

The previous prime is 102378879023. The next prime is 102378879061. The reversal of 102378879041 is 140978873201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73443168016 + 28935711025 = 271004^2 + 170105^2 .

It is a cyclic number.

It is not a de Polignac number, because 102378879041 - 2²⁶ = 102311770177 is a prime.

It is not a weakly prime, because it can be changed into another prime (102378879011) 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, 51189439520 + 51189439521.

It is an arithmetic number, because the mean of its divisors is an integer number (51189439521).

Almost surely, 2^102378879041 is an apocalyptic number.

It is an amenable number.

102378879041 is a deficient number, since it is larger than the sum of its proper divisors (1).

102378879041 is an equidigital number, since it uses as much as digits as its factorization.

102378879041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 50.

The spelling of 102378879041 in words is "one hundred two billion, three hundred seventy-eight million, eight hundred seventy-nine thousand, forty-one".