103128451 has 2 divisors, whose sum is σ = 103128452. Its totient is φ = 103128450.

The previous prime is 103128439. The next prime is 103128469. The reversal of 103128451 is 154821301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103128451 - 2⁷ = 103128323 is a prime.

It is not a weakly prime, because it can be changed into another prime (103122451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51564225 + 51564226.

It is an arithmetic number, because the mean of its divisors is an integer number (51564226).

Almost surely, 2^103128451 is an apocalyptic number.

103128451 is a deficient number, since it is larger than the sum of its proper divisors (1).

103128451 is an equidigital number, since it uses as much as digits as its factorization.

103128451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 103128451 is about 10155.2179198676. The cubic root of 103128451 is about 468.9495947393.

Adding to 103128451 its reverse (154821301), we get a palindrome (257949752).

The spelling of 103128451 in words is "one hundred three million, one hundred twenty-eight thousand, four hundred fifty-one".