102869451 has 24 divisors (see below), whose sum is σ = 153316800. Its totient is φ = 66422400.

The previous prime is 102869443. The next prime is 102869471. The reversal of 102869451 is 154968201.

It is not a de Polignac number, because 102869451 - 2³ = 102869443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102869411) 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 in 23 ways as a sum of consecutive naturals, for example, 54046 + ... + 55916.

It is an arithmetic number, because the mean of its divisors is an integer number (6388200).

Almost surely, 2^102869451 is an apocalyptic number.

102869451 is a deficient number, since it is larger than the sum of its proper divisors (50447349).

102869451 is a wasteful number, since it uses less digits than its factorization.

102869451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067 (or 2064 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 102869451 is about 10142.4578382165. The cubic root of 102869451 is about 468.5566874355.

The spelling of 102869451 in words is "one hundred two million, eight hundred sixty-nine thousand, four hundred fifty-one".