102105414 has 32 divisors (see below), whose sum is σ = 227422080. Its totient is φ = 33957000.

The previous prime is 102105407. The next prime is 102105431. The reversal of 102105414 is 414501201.

It is a super-2 number, since 2×102105414² = 20851031136222792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24589 + ... + 28439.

It is an arithmetic number, because the mean of its divisors is an integer number (7106940).

Almost surely, 2^102105414 is an apocalyptic number.

102105414 is an abundant number, since it is smaller than the sum of its proper divisors (125316666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102105414 is a wasteful number, since it uses less digits than its factorization.

102105414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4353 (or 4347 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 102105414 is about 10104.7223613516. The cubic root of 102105414 is about 467.3937745632.

Adding to 102105414 its reverse (414501201), we get a palindrome (516606615).

The spelling of 102105414 in words is "one hundred two million, one hundred five thousand, four hundred fourteen".