1140215 has 8 divisors (see below), whose sum is σ = 1374000. Its totient is φ = 908352.

The previous prime is 1140203. The next prime is 1140233. The reversal of 1140215 is 5120411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1140215 - 2⁸ = 1139959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1140215.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2036 + ... + 2534.

It is an arithmetic number, because the mean of its divisors is an integer number (171750).

2^1140215 is an apocalyptic number.

1140215 is a deficient number, since it is larger than the sum of its proper divisors (233785).

1140215 is an equidigital number, since it uses as much as digits as its factorization.

1140215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1140215 is about 1067.8085034312. The cubic root of 1140215 is about 104.4709594754.

Adding to 1140215 its reverse (5120411), we get a palindrome (6260626).

The spelling of 1140215 in words is "one million, one hundred forty thousand, two hundred fifteen".