1141990 has 8 divisors (see below), whose sum is σ = 2055600. Its totient is φ = 456792.

The previous prime is 1141969. The next prime is 1141999. The reversal of 1141990 is 991411.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141999) 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, 57090 + ... + 57109.

It is an arithmetic number, because the mean of its divisors is an integer number (256950).

2^1141990 is an apocalyptic number.

1141990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1141990 is a deficient number, since it is larger than the sum of its proper divisors (913610).

1141990 is a wasteful number, since it uses less digits than its factorization.

1141990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114206.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 1141990 is about 1068.6393217545. The cubic root of 1141990 is about 104.5251421842.

The spelling of 1141990 in words is "one million, one hundred forty-one thousand, nine hundred ninety".