1128156902 has 8 divisors (see below), whose sum is σ = 1733509512. Its totient is φ = 550320400.

The previous prime is 1128156889. The next prime is 1128156947. The reversal of 1128156902 is 2096518211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6878924 + ... + 6879087.

It is an arithmetic number, because the mean of its divisors is an integer number (216688689).

Almost surely, 2^1128156902 is an apocalyptic number.

1128156902 is a deficient number, since it is larger than the sum of its proper divisors (605352610).

1128156902 is a wasteful number, since it uses less digits than its factorization.

1128156902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13758054.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 1128156902 is about 33588.0470108043. The cubic root of 1128156902 is about 1041.0138356836.

The spelling of 1128156902 in words is "one billion, one hundred twenty-eight million, one hundred fifty-six thousand, nine hundred two".