1143212301 has 24 divisors (see below), whose sum is σ = 2058773184. Its totient is φ = 593876160.

The previous prime is 1143212297. The next prime is 1143212321. The reversal of 1143212301 is 1032123411.

1143212301 is a `hidden beast` number, since 1 + 1 + 432 + 1 + 230 + 1 = 666.

It is not a de Polignac number, because 1143212301 - 2² = 1143212297 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143212321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 824136 + ... + 825521.

It is an arithmetic number, because the mean of its divisors is an integer number (85782216).

Almost surely, 2^1143212301 is an apocalyptic number.

1143212301 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1143212301 is a deficient number, since it is larger than the sum of its proper divisors (915560883).

1143212301 is a wasteful number, since it uses less digits than its factorization.

1143212301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649681 (or 1649678 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1143212301 is about 33811.4226408769. The cubic root of 1143212301 is about 1045.6242086175.

Adding to 1143212301 its reverse (1032123411), we get a palindrome (2175335712).

It can be divided in two parts, 1143 and 212301, that added together give a square (213444 = 462²).

The spelling of 1143212301 in words is "one billion, one hundred forty-three million, two hundred twelve thousand, three hundred one".