102129007 has 2 divisors, whose sum is σ = 102129008. Its totient is φ = 102129006.

The previous prime is 102128977. The next prime is 102129011. The reversal of 102129007 is 700921201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102129007 - 2⁷ = 102128879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102129077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51064503 + 51064504.

It is an arithmetic number, because the mean of its divisors is an integer number (51064504).

Almost surely, 2^102129007 is an apocalyptic number.

102129007 is a deficient number, since it is larger than the sum of its proper divisors (1).

102129007 is an equidigital number, since it uses as much as digits as its factorization.

102129007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 102129007 is about 10105.8897183771. The cubic root of 102129007 is about 467.4297712574.

The spelling of 102129007 in words is "one hundred two million, one hundred twenty-nine thousand, seven".