1151740 has 12 divisors (see below), whose sum is σ = 2418696. Its totient is φ = 460688.

The previous prime is 1151737. The next prime is 1151747. The reversal of 1151740 is 471511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28774 + ... + 28813.

It is an arithmetic number, because the mean of its divisors is an integer number (201558).

2^1151740 is an apocalyptic number.

1151740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1151740 is an abundant number, since it is smaller than the sum of its proper divisors (1266956).

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

1151740 is a wasteful number, since it uses less digits than its factorization.

1151740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57596 (or 57594 counting only the distinct ones).

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

The square root of 1151740 is about 1073.1915020163. The cubic root of 1151740 is about 104.8217686847.

It can be divided in two parts, 1151 and 740, that added together give a triangular number (1891 = T₆₁).

The spelling of 1151740 in words is "one million, one hundred fifty-one thousand, seven hundred forty".