102430451 has 2 divisors, whose sum is σ = 102430452. Its totient is φ = 102430450.

The previous prime is 102430441. The next prime is 102430459. The reversal of 102430451 is 154034201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102430451 - 2¹⁰ = 102429427 is a prime.

It is not a weakly prime, because it can be changed into another prime (102430459) 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, 51215225 + 51215226.

It is an arithmetic number, because the mean of its divisors is an integer number (51215226).

Almost surely, 2^102430451 is an apocalyptic number.

102430451 is a deficient number, since it is larger than the sum of its proper divisors (1).

102430451 is an equidigital number, since it uses as much as digits as its factorization.

102430451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 102430451 is about 10120.7930025270. The cubic root of 102430451 is about 467.8892081347.

Adding to 102430451 its reverse (154034201), we get a palindrome (256464652).

The spelling of 102430451 in words is "one hundred two million, four hundred thirty thousand, four hundred fifty-one".