1143114020 has 24 divisors (see below), whose sum is σ = 2404558968. Its totient is φ = 456480000.

The previous prime is 1143114019. The next prime is 1143114023. The reversal of 1143114020 is 204113411.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 171295744 + 971818276 = 13088^2 + 31174^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1143114020.

It is not an unprimeable number, because it can be changed into a prime (1143114023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35531 + ... + 59570.

It is an arithmetic number, because the mean of its divisors is an integer number (100189957).

Almost surely, 2^1143114020 is an apocalyptic number.

1143114020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143114020 is an abundant number, since it is smaller than the sum of its proper divisors (1261444948).

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

1143114020 is a wasteful number, since it uses less digits than its factorization.

1143114020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95711 (or 95709 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1143114020 is about 33809.9692398559. The cubic root of 1143114020 is about 1045.5942439476.

Adding to 1143114020 its reverse (204113411), we get a palindrome (1347227431).

The spelling of 1143114020 in words is "one billion, one hundred forty-three million, one hundred fourteen thousand, twenty".