1202323130 has 32 divisors (see below), whose sum is σ = 2299732560. Its totient is φ = 451010560.

The previous prime is 1202323123. The next prime is 1202323139. The reversal of 1202323130 is 313232021.

It can be written as a sum of positive squares in 8 ways, for example, as 638118121 + 564205009 = 25261^2 + 23753^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 1202323099 and 1202323108.

It is not an unprimeable number, because it can be changed into a prime (1202323139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35186 + ... + 60354.

Almost surely, 2^1202323130 is an apocalyptic number.

1202323130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1202323130 is a deficient number, since it is larger than the sum of its proper divisors (1097409430).

1202323130 is a wasteful number, since it uses less digits than its factorization.

1202323130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25474.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1202323130 is about 34674.5314315853. The cubic root of 1202323130 is about 1063.3438754689.

Adding to 1202323130 its reverse (313232021), we get a palindrome (1515555151).

It can be divided in two parts, 12023 and 23130, that added together give a palindrome (35153).

The spelling of 1202323130 in words is "one billion, two hundred two million, three hundred twenty-three thousand, one hundred thirty".