1141199501 has 4 divisors (see below), whose sum is σ = 1228984092. Its totient is φ = 1053414912.

The previous prime is 1141199483. The next prime is 1141199509. The reversal of 1141199501 is 1059911411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57078025 + 1084121476 = 7555^2 + 32926^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1141199501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141199509) 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, 43892276 + ... + 43892301.

It is an arithmetic number, because the mean of its divisors is an integer number (307246023).

Almost surely, 2^1141199501 is an apocalyptic number.

It is an amenable number.

1141199501 is a deficient number, since it is larger than the sum of its proper divisors (87784591).

1141199501 is an equidigital number, since it uses as much as digits as its factorization.

1141199501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87784590.

The product of its (nonzero) digits is 1620, while the sum is 32.

The square root of 1141199501 is about 33781.6444389553. The cubic root of 1141199501 is about 1045.0101877016.

The spelling of 1141199501 in words is "one billion, one hundred forty-one million, one hundred ninety-nine thousand, five hundred one".