1202123230 has 128 divisors (see below), whose sum is σ = 2806824960. Its totient is φ = 359859840.

The previous prime is 1202123189. The next prime is 1202123233. The reversal of 1202123230 is 323212021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202123233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2134929 + ... + 2135491.

It is an arithmetic number, because the mean of its divisors is an integer number (21928320).

Almost surely, 2^1202123230 is an apocalyptic number.

1202123230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1202123230 is an abundant number, since it is smaller than the sum of its proper divisors (1604701730).

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

1202123230 is a wasteful number, since it uses less digits than its factorization.

1202123230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1202123230 is about 34671.6487926375. The cubic root of 1202123230 is about 1063.2849411672.

Adding to 1202123230 its reverse (323212021), we get a palindrome (1525335251).

The spelling of 1202123230 in words is "one billion, two hundred two million, one hundred twenty-three thousand, two hundred thirty".