1136240 has 40 divisors (see below), whose sum is σ = 3020640. Its totient is φ = 389376.

The previous prime is 1136237. The next prime is 1136287. The reversal of 1136240 is 426311.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455 + ... + 1574.

It is an arithmetic number, because the mean of its divisors is an integer number (75516).

2^1136240 is an apocalyptic number.

1136240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1136240 is an abundant number, since it is smaller than the sum of its proper divisors (1884400).

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

1136240 is a wasteful number, since it uses less digits than its factorization.

1136240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049 (or 2043 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1136240 is about 1065.9455896058. The cubic root of 1136240 is about 104.3494164411.

The spelling of 1136240 in words is "one million, one hundred thirty-six thousand, two hundred forty".