1170400143 has 8 divisors (see below), whose sum is σ = 1702400256. Its totient is φ = 709333400.

The previous prime is 1170400129. The next prime is 1170400163. The reversal of 1170400143 is 3410040711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1170400143 - 2⁵ = 1170400111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1170400163) 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, 17733303 + ... + 17733368.

It is an arithmetic number, because the mean of its divisors is an integer number (212800032).

Almost surely, 2^1170400143 is an apocalyptic number.

1170400143 is a deficient number, since it is larger than the sum of its proper divisors (532000113).

1170400143 is a wasteful number, since it uses less digits than its factorization.

1170400143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35466685.

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

The square root of 1170400143 is about 34211.1113967378. Note that the first 3 decimals coincide. The cubic root of 1170400143 is about 1053.8483552581.

Adding to 1170400143 its reverse (3410040711), we get a palindrome (4580440854).

The spelling of 1170400143 in words is "one billion, one hundred seventy million, four hundred thousand, one hundred forty-three".