1128122707 has 8 divisors (see below), whose sum is σ = 1179057600. Its totient is φ = 1077990144.

The previous prime is 1128122693. The next prime is 1128122713. The reversal of 1128122707 is 7072218211.

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

It is a cyclic number.

It is not a de Polignac number, because 1128122707 - 2⁷ = 1128122579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1128122747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197707 + ... + 203332.

It is an arithmetic number, because the mean of its divisors is an integer number (147382200).

Almost surely, 2^1128122707 is an apocalyptic number.

1128122707 is a deficient number, since it is larger than the sum of its proper divisors (50934893).

1128122707 is an equidigital number, since it uses as much as digits as its factorization.

1128122707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401165.

The product of its (nonzero) digits is 3136, while the sum is 31.

The square root of 1128122707 is about 33587.5379716942. The cubic root of 1128122707 is about 1041.0033176939.

The spelling of 1128122707 in words is "one billion, one hundred twenty-eight million, one hundred twenty-two thousand, seven hundred seven".