1141021451 has 2 divisors, whose sum is σ = 1141021452. Its totient is φ = 1141021450.

The previous prime is 1141021423. The next prime is 1141021481. The reversal of 1141021451 is 1541201411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1141021451 - 2¹⁰ = 1141020427 is a prime.

It is not a weakly prime, because it can be changed into another prime (1141021481) 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 as a sum of consecutive naturals, namely, 570510725 + 570510726.

It is an arithmetic number, because the mean of its divisors is an integer number (570510726).

Almost surely, 2^1141021451 is an apocalyptic number.

1141021451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141021451 is an equidigital number, since it uses as much as digits as its factorization.

1141021451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 1141021451 is about 33779.0090292773. The cubic root of 1141021451 is about 1044.9558373620.

Adding to 1141021451 its reverse (1541201411), we get a palindrome (2682222862).

The spelling of 1141021451 in words is "one billion, one hundred forty-one million, twenty-one thousand, four hundred fifty-one".