1115740 has 12 divisors (see below), whose sum is σ = 2343096. Its totient is φ = 446288.

The previous prime is 1115731. The next prime is 1115743. The reversal of 1115740 is 475111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27874 + ... + 27913.

It is an arithmetic number, because the mean of its divisors is an integer number (195258).

2^1115740 is an apocalyptic number.

1115740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1115740 is an abundant number, since it is smaller than the sum of its proper divisors (1227356).

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

1115740 is a wasteful number, since it uses less digits than its factorization.

1115740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55796 (or 55794 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 1115740 is about 1056.2859461339. The cubic root of 1115740 is about 103.7180479339.

It can be divided in two parts, 11 and 15740, that added together give a palindrome (15751).

The spelling of 1115740 in words is "one million, one hundred fifteen thousand, seven hundred forty".