1128307 has 8 divisors (see below), whose sum is σ = 1233792. Its totient is φ = 1027200.

The previous prime is 1128301. The next prime is 1128313. The reversal of 1128307 is 7038211.

It is an interprime number because it is at equal distance from previous prime (1128301) and next prime (1128313).

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 1128307 - 2³ = 1128299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1128301) 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, 544 + ... + 1597.

It is an arithmetic number, because the mean of its divisors is an integer number (154224).

2^1128307 is an apocalyptic number.

1128307 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1128307 is a deficient number, since it is larger than the sum of its proper divisors (105485).

1128307 is a wasteful number, since it uses less digits than its factorization.

1128307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1128307 is about 1062.2179625670. The cubic root of 1128307 is about 104.1060001592.

The spelling of 1128307 in words is "one million, one hundred twenty-eight thousand, three hundred seven".