1140373 has 4 divisors (see below), whose sum is σ = 1228108. Its totient is φ = 1052640.

The previous prime is 1140371. The next prime is 1140379. The reversal of 1140373 is 3730411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3730411 = 71 ⋅52541.

It can be written as a sum of positive squares in 2 ways, for example, as 253009 + 887364 = 503^2 + 942^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140373 - 2¹ = 1140371 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1140373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140371) 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, 43848 + ... + 43873.

It is an arithmetic number, because the mean of its divisors is an integer number (307027).

2^1140373 is an apocalyptic number.

1140373 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1140373 is a deficient number, since it is larger than the sum of its proper divisors (87735).

1140373 is an equidigital number, since it uses as much as digits as its factorization.

1140373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87734.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 1140373 is about 1067.8824841714. The cubic root of 1140373 is about 104.4757847786.

Adding to 1140373 its reverse (3730411), we get a palindrome (4870784).

It can be divided in two parts, 11403 and 73, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 1140373 in words is "one million, one hundred forty thousand, three hundred seventy-three".