102942877 has 2 divisors, whose sum is σ = 102942878. Its totient is φ = 102942876.

The previous prime is 102942863. The next prime is 102942901. The reversal of 102942877 is 778249201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64738116 + 38204761 = 8046^2 + 6181^2 .

It is a cyclic number.

It is not a de Polignac number, because 102942877 - 2²³ = 94554269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102942277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51471438 + 51471439.

It is an arithmetic number, because the mean of its divisors is an integer number (51471439).

Almost surely, 2^102942877 is an apocalyptic number.

It is an amenable number.

102942877 is a deficient number, since it is larger than the sum of its proper divisors (1).

102942877 is an equidigital number, since it uses as much as digits as its factorization.

102942877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 102942877 is about 10146.0769265761. The cubic root of 102942877 is about 468.6681428144.

The spelling of 102942877 in words is "one hundred two million, nine hundred forty-two thousand, eight hundred seventy-seven".