1155307 has 6 divisors (see below), whose sum is σ = 1182668. Its totient is φ = 1128564.

The previous prime is 1155293. The next prime is 1155311. The reversal of 1155307 is 7035511.

It is not a de Polignac number, because 1155307 - 2⁷ = 1155179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1155317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1948 + ... + 2470.

2^1155307 is an apocalyptic number.

1155307 is a deficient number, since it is larger than the sum of its proper divisors (27361).

1155307 is an frugal number, since it uses more digits than its factorization.

1155307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617 (or 570 counting only the distinct ones).

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 1155307 is about 1074.8520828468. The cubic root of 1155307 is about 104.9298700259.

The spelling of 1155307 in words is "one million, one hundred fifty-five thousand, three hundred seven".