1144121430 has 32 divisors (see below), whose sum is σ = 2865279744. Its totient is φ = 291833696.

The previous prime is 1144121393. The next prime is 1144121449. The reversal of 1144121430 is 341214411.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1144121397 and 1144121406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 828384 + ... + 829763.

It is an arithmetic number, because the mean of its divisors is an integer number (89539992).

Almost surely, 2^1144121430 is an apocalyptic number.

1144121430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1144121430 is an abundant number, since it is smaller than the sum of its proper divisors (1721158314).

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

1144121430 is a wasteful number, since it uses less digits than its factorization.

1144121430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658180.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1144121430 is about 33824.8640795495. The cubic root of 1144121430 is about 1045.9013095008.

Adding to 1144121430 its reverse (341214411), we get a palindrome (1485335841).

The spelling of 1144121430 in words is "one billion, one hundred forty-four million, one hundred twenty-one thousand, four hundred thirty".