1141420240 has 20 divisors (see below), whose sum is σ = 2653802244. Its totient is φ = 456568064.

The previous prime is 1141420237. The next prime is 1141420261. The reversal of 1141420240 is 420241411.

It can be written as a sum of positive squares in 2 ways, for example, as 828979264 + 312440976 = 28792^2 + 17676^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7133797 + ... + 7133956.

Almost surely, 2^1141420240 is an apocalyptic number.

1141420240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1141420240 is an abundant number, since it is smaller than the sum of its proper divisors (1512382004).

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

1141420240 is a wasteful number, since it uses less digits than its factorization.

1141420240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14267766 (or 14267760 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1141420240 is about 33784.9114250726. The cubic root of 1141420240 is about 1045.0775611487.

Adding to 1141420240 its reverse (420241411), we get a palindrome (1561661651).

The spelling of 1141420240 in words is "one billion, one hundred forty-one million, four hundred twenty thousand, two hundred forty".