1120402143 has 48 divisors (see below), whose sum is σ = 1922758656. Its totient is φ = 615314880.

The previous prime is 1120402141. The next prime is 1120402159. The reversal of 1120402143 is 3412040211.

1120402143 is a `hidden beast` number, since 1 + 120 + 402 + 143 = 666.

It is not a de Polignac number, because 1120402143 - 2¹ = 1120402141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120402141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 190578 + ... + 196368.

It is an arithmetic number, because the mean of its divisors is an integer number (40057472).

Almost surely, 2^1120402143 is an apocalyptic number.

1120402143 is a deficient number, since it is larger than the sum of its proper divisors (802356513).

1120402143 is a wasteful number, since it uses less digits than its factorization.

1120402143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5924 (or 5921 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1120402143 is about 33472.4086823760. The cubic root of 1120402143 is about 1038.6230986611.

Adding to 1120402143 its reverse (3412040211), we get a palindrome (4532442354).

The spelling of 1120402143 in words is "one billion, one hundred twenty million, four hundred two thousand, one hundred forty-three".