1230143102 has 4 divisors (see below), whose sum is σ = 1845214656. Its totient is φ = 615071550.

The previous prime is 1230143077. The next prime is 1230143113. The reversal of 1230143102 is 2013410321.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307535774 + ... + 307535777.

It is an arithmetic number, because the mean of its divisors is an integer number (461303664).

Almost surely, 2^1230143102 is an apocalyptic number.

1230143102 is a deficient number, since it is larger than the sum of its proper divisors (615071554).

1230143102 is an equidigital number, since it uses as much as digits as its factorization.

1230143102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615071553.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1230143102 is about 35073.3959291084. The cubic root of 1230143102 is about 1071.4828196753.

Adding to 1230143102 its reverse (2013410321), we get a palindrome (3243553423).

The spelling of 1230143102 in words is "one billion, two hundred thirty million, one hundred forty-three thousand, one hundred two".