1141420245 has 16 divisors (see below), whose sum is σ = 2087168640. Its totient is φ = 521792064.

The previous prime is 1141420237. The next prime is 1141420261. The reversal of 1141420245 is 5420241411.

It is not a de Polignac number, because 1141420245 - 2³ = 1141420237 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5435230 + ... + 5435439.

It is an arithmetic number, because the mean of its divisors is an integer number (130448040).

Almost surely, 2^1141420245 is an apocalyptic number.

1141420245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1141420245 is a deficient number, since it is larger than the sum of its proper divisors (945748395).

1141420245 is a wasteful number, since it uses less digits than its factorization.

1141420245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10870684.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1141420245 is about 33784.9114990701. The cubic root of 1141420245 is about 1045.0775626747.

Adding to 1141420245 its reverse (5420241411), we get a palindrome (6561661656).

The spelling of 1141420245 in words is "one billion, one hundred forty-one million, four hundred twenty thousand, two hundred forty-five".