128215202 has 16 divisors (see below), whose sum is σ = 202226112. Its totient is φ = 60849360.

The previous prime is 128215193. The next prime is 128215223. The reversal of 128215202 is 202512821.

It is a Harshad number since it is a multiple of its sum of digits (23).

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, 4613 + ... + 16664.

It is an arithmetic number, because the mean of its divisors is an integer number (12639132).

Almost surely, 2^128215202 is an apocalyptic number.

128215202 is a deficient number, since it is larger than the sum of its proper divisors (74010910).

128215202 is a wasteful number, since it uses less digits than its factorization.

128215202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21433.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 128215202 is about 11323.2151794444. The cubic root of 128215202 is about 504.2506967498.

The spelling of 128215202 in words is "one hundred twenty-eight million, two hundred fifteen thousand, two hundred two".