102400026 has 16 divisors (see below), whose sum is σ = 205933728. Its totient is φ = 33944400.

The previous prime is 102400021. The next prime is 102400031. The reversal of 102400026 is 620004201.

It is an interprime number because it is at equal distance from previous prime (102400021) and next prime (102400031).

It is a junction number, because it is equal to n+sod(n) for n = 102399978 and 102400014.

It is not an unprimeable number, because it can be changed into a prime (102400021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46060 + ... + 48231.

It is an arithmetic number, because the mean of its divisors is an integer number (12870858).

Almost surely, 2^102400026 is an apocalyptic number.

102400026 is an abundant number, since it is smaller than the sum of its proper divisors (103533702).

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

102400026 is a wasteful number, since it uses less digits than its factorization.

102400026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94477.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 102400026 is about 10119.2897972140. The cubic root of 102400026 is about 467.8428777101.

Adding to 102400026 its reverse (620004201), we get a palindrome (722404227).

The spelling of 102400026 in words is "one hundred two million, four hundred thousand, twenty-six".