1230453136 has 40 divisors (see below), whose sum is σ = 2603636928. Its totient is φ = 558672000.

The previous prime is 1230453101. The next prime is 1230453137. The reversal of 1230453136 is 6313540321.

It is not an unprimeable number, because it can be changed into a prime (1230453137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178066 + ... + 184846.

Almost surely, 2^1230453136 is an apocalyptic number.

1230453136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1230453136 is an abundant number, since it is smaller than the sum of its proper divisors (1373183792).

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

1230453136 is a wasteful number, since it uses less digits than its factorization.

1230453136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7831 (or 7825 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 1230453136 is about 35077.8154393913. The cubic root of 1230453136 is about 1071.5728276860.

Adding to 1230453136 its reverse (6313540321), we get a palindrome (7543993457).

The spelling of 1230453136 in words is "one billion, two hundred thirty million, four hundred fifty-three thousand, one hundred thirty-six".