102406018 has 32 divisors (see below), whose sum is σ = 186701760. Its totient is φ = 41482560.

The previous prime is 102406009. The next prime is 102406027. The reversal of 102406018 is 810604201.

It is an interprime number because it is at equal distance from previous prime (102406009) and next prime (102406027).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a self number, because there is not a number n which added to its sum of digits gives 102406018.

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, 2121 + ... + 14467.

It is an arithmetic number, because the mean of its divisors is an integer number (5834430).

Almost surely, 2^102406018 is an apocalyptic number.

102406018 is a deficient number, since it is larger than the sum of its proper divisors (84295742).

102406018 is a wasteful number, since it uses less digits than its factorization.

102406018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12402.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 102406018 is about 10119.5858610914. The cubic root of 102406018 is about 467.8520029026.

The spelling of 102406018 in words is "one hundred two million, four hundred six thousand, eighteen".