1230154120 has 32 divisors (see below), whose sum is σ = 2980759320. Its totient is φ = 454210560.

The previous prime is 1230154111. The next prime is 1230154127. The reversal of 1230154120 is 214510321.

It can be written as a sum of positive squares in 4 ways, for example, as 766957636 + 463196484 = 27694^2 + 21522^2 .

It is not an unprimeable number, because it can be changed into a prime (1230154127) 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, 1182321 + ... + 1183360.

Almost surely, 2^1230154120 is an apocalyptic number.

1230154120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230154120 is an abundant number, since it is smaller than the sum of its proper divisors (1750605200).

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

1230154120 is a wasteful number, since it uses less digits than its factorization.

1230154120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2365705 (or 2365701 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1230154120 is about 35073.5529993755. The cubic root of 1230154120 is about 1071.4860186425.

Adding to 1230154120 its reverse (214510321), we get a palindrome (1444664441).

The spelling of 1230154120 in words is "one billion, two hundred thirty million, one hundred fifty-four thousand, one hundred twenty".