1230140148 has 24 divisors (see below), whose sum is σ = 2895731328. Its totient is φ = 406417536.

The previous prime is 1230140141. The next prime is 1230140239. The reversal of 1230140148 is 8410410321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230140141) 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, 452236 + ... + 454947.

It is an arithmetic number, because the mean of its divisors is an integer number (120655472).

Almost surely, 2^1230140148 is an apocalyptic number.

It is an amenable number.

1230140148 is an abundant number, since it is smaller than the sum of its proper divisors (1665591180).

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

1230140148 is a wasteful number, since it uses less digits than its factorization.

1230140148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907303 (or 907301 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1230140148 is about 35073.3538173925. The cubic root of 1230140148 is about 1071.4819620074.

Adding to 1230140148 its reverse (8410410321), we get a palindrome (9640550469).

The spelling of 1230140148 in words is "one billion, two hundred thirty million, one hundred forty thousand, one hundred forty-eight".