1128379506 has 32 divisors (see below), whose sum is σ = 2278883328. Its totient is φ = 372450960.

The previous prime is 1128379501. The next prime is 1128379507. The reversal of 1128379506 is 6059738211.

It is not an unprimeable number, because it can be changed into a prime (1128379501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525471 + ... + 527613.

It is an arithmetic number, because the mean of its divisors is an integer number (71215104).

Almost surely, 2^1128379506 is an apocalyptic number.

1128379506 is an abundant number, since it is smaller than the sum of its proper divisors (1150503822).

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

1128379506 is a wasteful number, since it uses less digits than its factorization.

1128379506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2966.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 1128379506 is about 33591.3605857220. The cubic root of 1128379506 is about 1041.0823009250.

The spelling of 1128379506 in words is "one billion, one hundred twenty-eight million, three hundred seventy-nine thousand, five hundred six".