1230143070 has 128 divisors (see below), whose sum is σ = 3291692544. Its totient is φ = 292253184.

The previous prime is 1230143029. The next prime is 1230143077. The reversal of 1230143070 is 703410321.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230143077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2351829 + ... + 2352351.

It is an arithmetic number, because the mean of its divisors is an integer number (25716348).

Almost surely, 2^1230143070 is an apocalyptic number.

1230143070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230143070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1645846272).

1230143070 is an abundant number, since it is smaller than the sum of its proper divisors (2061549474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230143070 is a wasteful number, since it uses less digits than its factorization.

1230143070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 1230143070 is about 35073.3954729222. The cubic root of 1230143070 is about 1071.4828103844.

Adding to 1230143070 its reverse (703410321), we get a palindrome (1933553391).

The spelling of 1230143070 in words is "one billion, two hundred thirty million, one hundred forty-three thousand, seventy".