902128 has 10 divisors (see below), whose sum is σ = 1747904. Its totient is φ = 451056.

The previous prime is 902119. The next prime is 902137. The reversal of 902128 is 821209.

It is an interprime number because it is at equal distance from previous prime (902119) and next prime (902137).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 902099 and 902108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28176 + ... + 28207.

2⁹⁰²¹²⁸ is an apocalyptic number.

It is an amenable number.

902128 is a deficient number, since it is larger than the sum of its proper divisors (845776).

902128 is a wasteful number, since it uses less digits than its factorization.

902128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56391 (or 56385 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 902128 is about 949.8041903466. The cubic root of 902128 is about 96.6249734322.

The spelling of 902128 in words is "nine hundred two thousand, one hundred twenty-eight".