10400102 has 4 divisors (see below), whose sum is σ = 15600156. Its totient is φ = 5200050.

The previous prime is 10400077. The next prime is 10400123. The reversal of 10400102 is 20100401.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×10400102² = 216324243220808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10400102.

It is a congruent number.

It is an unprimeable number.

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, 2600024 + ... + 2600027.

It is an arithmetic number, because the mean of its divisors is an integer number (3900039).

Almost surely, 2^10400102 is an apocalyptic number.

10400102 is a deficient number, since it is larger than the sum of its proper divisors (5200054).

10400102 is an equidigital number, since it uses as much as digits as its factorization.

10400102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5200053.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 10400102 is about 3224.9189137093. The cubic root of 10400102 is about 218.2792902129.

Adding to 10400102 its reverse (20100401), we get a palindrome (30500503).

The spelling of 10400102 in words is "ten million, four hundred thousand, one hundred two".