1020143234 has 8 divisors (see below), whose sum is σ = 1669325328. Its totient is φ = 463701460.

The previous prime is 1020143227. The next prime is 1020143239. The reversal of 1020143234 is 4323410201.

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

It is not an unprimeable number, because it can be changed into a prime (1020143239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23185052 + ... + 23185095.

It is an arithmetic number, because the mean of its divisors is an integer number (208665666).

Almost surely, 2^1020143234 is an apocalyptic number.

1020143234 is a deficient number, since it is larger than the sum of its proper divisors (649182094).

1020143234 is a wasteful number, since it uses less digits than its factorization.

1020143234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46370160.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1020143234 is about 31939.6811818778. The cubic root of 1020143234 is about 1006.6698258505.

Adding to 1020143234 its reverse (4323410201), we get a palindrome (5343553435).

It can be divided in two parts, 10201 and 43234, that added together give a palindrome (53435).

The spelling of 1020143234 in words is "one billion, twenty million, one hundred forty-three thousand, two hundred thirty-four".