1115807 has 16 divisors (see below), whose sum is σ = 1427712. Its totient is φ = 846720.

The previous prime is 1115789. The next prime is 1115831. The reversal of 1115807 is 7085111.

It is not a de Polignac number, because 1115807 - 2⁶ = 1115743 is a prime.

It is a super-2 number, since 2×1115807² = 2490050522498, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3143 + ... + 3479.

It is an arithmetic number, because the mean of its divisors is an integer number (89232).

2^1115807 is an apocalyptic number.

1115807 is a deficient number, since it is larger than the sum of its proper divisors (311905).

1115807 is a wasteful number, since it uses less digits than its factorization.

1115807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398.

The product of its (nonzero) digits is 280, while the sum is 23.

The square root of 1115807 is about 1056.3176605548. The cubic root of 1115807 is about 103.7201239762.

The spelling of 1115807 in words is "one million, one hundred fifteen thousand, eight hundred seven".