1230155116 has 12 divisors (see below), whose sum is σ = 2163590800. Its totient is φ = 611986320.

The previous prime is 1230155093. The next prime is 1230155117. The reversal of 1230155116 is 6115510321.

It is a happy number.

It is a super-3 number, since 3×1230155116³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1230155117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771915 + ... + 773506.

Almost surely, 2^1230155116 is an apocalyptic number.

It is an amenable number.

1230155116 is a deficient number, since it is larger than the sum of its proper divisors (933435684).

1230155116 is a wasteful number, since it uses less digits than its factorization.

1230155116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545624 (or 1545622 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 1230155116 is about 35073.5671981052. The cubic root of 1230155116 is about 1071.4863078203.

Adding to 1230155116 its reverse (6115510321), we get a palindrome (7345665437).

The spelling of 1230155116 in words is "one billion, two hundred thirty million, one hundred fifty-five thousand, one hundred sixteen".