10128402 has 40 divisors (see below), whose sum is σ = 22953216. Its totient is φ = 3337848.

The previous prime is 10128347. The next prime is 10128403. The reversal of 10128402 is 20482101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10128403) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16383 + ... + 16989.

Almost surely, 2^10128402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10128402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11476608).

10128402 is an abundant number, since it is smaller than the sum of its proper divisors (12824814).

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

10128402 is a wasteful number, since it uses less digits than its factorization.

10128402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724 (or 715 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 10128402 is about 3182.5150431695. The cubic root of 10128402 is about 216.3616626257.

The spelling of 10128402 in words is "ten million, one hundred twenty-eight thousand, four hundred two".