1143213035 has 16 divisors (see below), whose sum is σ = 1382054400. Its totient is φ = 907791456.

The previous prime is 1143213023. The next prime is 1143213053. The reversal of 1143213035 is 5303123411.

It is a cyclic number.

It is not a de Polignac number, because 1143213035 - 2⁶ = 1143212971 is a prime.

It is a super-2 number, since 2×1143213035² = 2613872086787822450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1143213035.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 768062 + ... + 769548.

It is an arithmetic number, because the mean of its divisors is an integer number (86378400).

Almost surely, 2^1143213035 is an apocalyptic number.

1143213035 is a deficient number, since it is larger than the sum of its proper divisors (238841365).

1143213035 is a wasteful number, since it uses less digits than its factorization.

1143213035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1143213035 is about 33811.4334951951. The cubic root of 1143213035 is about 1045.6244323987.

Adding to 1143213035 its reverse (5303123411), we get a palindrome (6446336446).

The spelling of 1143213035 in words is "one billion, one hundred forty-three million, two hundred thirteen thousand, thirty-five".