1170202143 has 16 divisors (see below), whose sum is σ = 1722623616. Its totient is φ = 700667040.

The previous prime is 1170202139. The next prime is 1170202147. The reversal of 1170202143 is 3412020711.

It is an interprime number because it is at equal distance from previous prime (1170202139) and next prime (1170202147).

It is not a de Polignac number, because 1170202143 - 2² = 1170202139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1170202147) 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, 210880 + ... + 216357.

It is an arithmetic number, because the mean of its divisors is an integer number (107663976).

Almost surely, 2^1170202143 is an apocalyptic number.

1170202143 is a deficient number, since it is larger than the sum of its proper divisors (552421473).

1170202143 is a wasteful number, since it uses less digits than its factorization.

1170202143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427334.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 1170202143 is about 34208.2174776763. The cubic root of 1170202143 is about 1053.7889243750.

Adding to 1170202143 its reverse (3412020711), we get a palindrome (4582222854).

The spelling of 1170202143 in words is "one billion, one hundred seventy million, two hundred two thousand, one hundred forty-three".