1115421230 has 128 divisors (see below), whose sum is σ = 2619703296. Its totient is φ = 331804800.

The previous prime is 1115421217. The next prime is 1115421259. The reversal of 1115421230 is 321245111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1980929 + ... + 1981491.

It is an arithmetic number, because the mean of its divisors is an integer number (20466432).

Almost surely, 2^1115421230 is an apocalyptic number.

1115421230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1115421230 is an abundant number, since it is smaller than the sum of its proper divisors (1504282066).

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

1115421230 is a wasteful number, since it uses less digits than its factorization.

1115421230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1115421230 is about 33397.9225401820. The cubic root of 1115421230 is about 1037.0816948218.

Adding to 1115421230 its reverse (321245111), we get a palindrome (1436666341).

The spelling of 1115421230 in words is "one billion, one hundred fifteen million, four hundred twenty-one thousand, two hundred thirty".