402102106 has 16 divisors (see below), whose sum is σ = 689627520. Its totient is φ = 172252080.

The previous prime is 402102091. The next prime is 402102121. The reversal of 402102106 is 601201204.

It is an interprime number because it is at equal distance from previous prime (402102091) and next prime (402102121).

It is a super-2 number, since 2×402102106² = 323372207299270472, 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 402102106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35035 + ... + 45073.

It is an arithmetic number, because the mean of its divisors is an integer number (43101720).

Almost surely, 2^402102106 is an apocalyptic number.

402102106 is a deficient number, since it is larger than the sum of its proper divisors (287525414).

402102106 is a wasteful number, since it uses less digits than its factorization.

402102106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12909.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 402102106 is about 20052.4837863044. The cubic root of 402102106 is about 738.0947494284.

The spelling of 402102106 in words is "four hundred two million, one hundred two thousand, one hundred six".