1230254120 has 32 divisors (see below), whose sum is σ = 2799181800. Its totient is φ = 486571008.

The previous prime is 1230254027. The next prime is 1230254141. The reversal of 1230254120 is 214520321.

It can be written as a sum of positive squares in 4 ways, for example, as 451732516 + 778521604 = 21254^2 + 27902^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1230254092 and 1230254101.

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, 169229 + ... + 176348.

Almost surely, 2^1230254120 is an apocalyptic number.

1230254120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230254120 is an abundant number, since it is smaller than the sum of its proper divisors (1568927680).

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

1230254120 is a wasteful number, since it uses less digits than its factorization.

1230254120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345677 (or 345673 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1230254120 is about 35074.9785459664. The cubic root of 1230254120 is about 1071.5150517793.

Adding to 1230254120 its reverse (214520321), we get a palindrome (1444774441).

The spelling of 1230254120 in words is "one billion, two hundred thirty million, two hundred fifty-four thousand, one hundred twenty".