1254121230 has 96 divisors (see below), whose sum is σ = 3218766336. Its totient is φ = 312134592.

The previous prime is 1254121217. The next prime is 1254121237. The reversal of 1254121230 is 321214521.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1254121197 and 1254121206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254121237) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1275319 + ... + 1276301.

It is an arithmetic number, because the mean of its divisors is an integer number (33528816).

Almost surely, 2^1254121230 is an apocalyptic number.

1254121230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1254121230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1609383168).

1254121230 is an abundant number, since it is smaller than the sum of its proper divisors (1964645106).

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

1254121230 is a wasteful number, since it uses less digits than its factorization.

1254121230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102 (or 1059 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1254121230 is about 35413.5740924296. The cubic root of 1254121230 is about 1078.3999024593.

Adding to 1254121230 its reverse (321214521), we get a palindrome (1575335751).

The spelling of 1254121230 in words is "one billion, two hundred fifty-four million, one hundred twenty-one thousand, two hundred thirty".