1144620411 has 16 divisors (see below), whose sum is σ = 1705511808. Its totient is φ = 676788800.

The previous prime is 1144620377. The next prime is 1144620437. The reversal of 1144620411 is 1140264411.

It is a cyclic number.

It is not a de Polignac number, because 1144620411 - 2¹⁹ = 1144096123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1144620481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421641 + ... + 424346.

It is an arithmetic number, because the mean of its divisors is an integer number (106594488).

Almost surely, 2^1144620411 is an apocalyptic number.

1144620411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1144620411 is a deficient number, since it is larger than the sum of its proper divisors (560891397).

1144620411 is a wasteful number, since it uses less digits than its factorization.

1144620411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846042.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1144620411 is about 33832.2392253306. The cubic root of 1144620411 is about 1046.0533356223.

Adding to 1144620411 its reverse (1140264411), we get a palindrome (2284884822).

The spelling of 1144620411 in words is "one billion, one hundred forty-four million, six hundred twenty thousand, four hundred eleven".