1241143428 has 24 divisors (see below), whose sum is σ = 3309716032. Its totient is φ = 354612384.

The previous prime is 1241143427. The next prime is 1241143439. The reversal of 1241143428 is 8243411421.

It is a junction number, because it is equal to n+sod(n) for n = 1241143395 and 1241143404.

It is not an unprimeable number, because it can be changed into a prime (1241143427) 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, 7387675 + ... + 7387842.

Almost surely, 2^1241143428 is an apocalyptic number.

It is an amenable number.

1241143428 is an abundant number, since it is smaller than the sum of its proper divisors (2068572604).

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

1241143428 is a wasteful number, since it uses less digits than its factorization.

1241143428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14775531 (or 14775529 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

The square root of 1241143428 is about 35229.8655688607. The cubic root of 1241143428 is about 1074.6671918751.

Adding to 1241143428 its reverse (8243411421), we get a palindrome (9484554849).

The spelling of 1241143428 in words is "one billion, two hundred forty-one million, one hundred forty-three thousand, four hundred twenty-eight".