1230515436 has 24 divisors (see below), whose sum is σ = 2871880704. Its totient is φ = 410074960.

The previous prime is 1230515389. The next prime is 1230515453. The reversal of 1230515436 is 6345150321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56281 + ... + 75023.

It is an arithmetic number, because the mean of its divisors is an integer number (119661696).

Almost surely, 2^1230515436 is an apocalyptic number.

It is an amenable number.

1230515436 is an abundant number, since it is smaller than the sum of its proper divisors (1641365268).

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

1230515436 is a wasteful number, since it uses less digits than its factorization.

1230515436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24221 (or 24219 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 1230515436 is about 35078.7034538051. The cubic root of 1230515436 is about 1071.5909125846.

Adding to 1230515436 its reverse (6345150321), we get a palindrome (7575665757).

The spelling of 1230515436 in words is "one billion, two hundred thirty million, five hundred fifteen thousand, four hundred thirty-six".