102406026 has 16 divisors (see below), whose sum is σ = 206287200. Its totient is φ = 33889488.

The previous prime is 102406009. The next prime is 102406027. The reversal of 102406026 is 620604201.

It is a happy number.

It is a super-2 number, since 2×102406026² = 20973988322225352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102405993 and 102406011.

It is not an unprimeable number, because it can be changed into a prime (102406027) 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 7 ways as a sum of consecutive naturals, for example, 60561 + ... + 62228.

It is an arithmetic number, because the mean of its divisors is an integer number (12892950).

Almost surely, 2^102406026 is an apocalyptic number.

102406026 is an abundant number, since it is smaller than the sum of its proper divisors (103881174).

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

102406026 is a wasteful number, since it uses less digits than its factorization.

102406026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122933.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 102406026 is about 10119.5862563644. The cubic root of 102406026 is about 467.8520150856.

The spelling of 102406026 in words is "one hundred two million, four hundred six thousand, twenty-six".