102451 has 2 divisors, whose sum is σ = 102452. Its totient is φ = 102450.

The previous prime is 102437. The next prime is 102461. The reversal of 102451 is 154201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102451 - 2⁹ = 101939 is a prime.

It is a super-3 number, since 3×102451³ = 3226040833319553, which contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (102461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51225 + 51226.

It is an arithmetic number, because the mean of its divisors is an integer number (51226).

2¹⁰²⁴⁵¹ is an apocalyptic number.

102451 is a deficient number, since it is larger than the sum of its proper divisors (1).

102451 is an equidigital number, since it uses as much as digits as its factorization.

102451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 102451 is about 320.0796775804. The cubic root of 102451 is about 46.7920494444.

Adding to 102451 its reverse (154201), we get a palindrome (256652).

The spelling of 102451 in words is "one hundred two thousand, four hundred fifty-one".