1141421450 has 48 divisors (see below), whose sum is σ = 2290749216. Its totient is φ = 420638400.

The previous prime is 1141421443. The next prime is 1141421459. The reversal of 1141421450 is 541241411.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1141421459) 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 23 ways as a sum of consecutive naturals, for example, 416585 + ... + 419315.

It is an arithmetic number, because the mean of its divisors is an integer number (47723942).

Almost surely, 2^1141421450 is an apocalyptic number.

1141421450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1141421450 is an abundant number, since it is smaller than the sum of its proper divisors (1149327766).

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

1141421450 is a wasteful number, since it uses less digits than its factorization.

1141421450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3399 (or 3394 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 1141421450 is about 33784.9293324701. The cubic root of 1141421450 is about 1045.0779304382.

Adding to 1141421450 its reverse (541241411), we get a palindrome (1682662861).

The spelling of 1141421450 in words is "one billion, one hundred forty-one million, four hundred twenty-one thousand, four hundred fifty".