103129387 has 2 divisors, whose sum is σ = 103129388. Its totient is φ = 103129386.

The previous prime is 103129379. The next prime is 103129399. The reversal of 103129387 is 783921301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103129387 - 2³ = 103129379 is a prime.

It is not a weakly prime, because it can be changed into another prime (103129987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51564693 + 51564694.

It is an arithmetic number, because the mean of its divisors is an integer number (51564694).

Almost surely, 2^103129387 is an apocalyptic number.

103129387 is a deficient number, since it is larger than the sum of its proper divisors (1).

103129387 is an equidigital number, since it uses as much as digits as its factorization.

103129387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 103129387 is about 10155.2640044462. The cubic root of 103129387 is about 468.9510134732.

The spelling of 103129387 in words is "one hundred three million, one hundred twenty-nine thousand, three hundred eighty-seven".