1141420028 has 24 divisors (see below), whose sum is σ = 2295462624. Its totient is φ = 486475200.

The previous prime is 1141419997. The next prime is 1141420061. The reversal of 1141420028 is 8200241411.

It is a junction number, because it is equal to n+sod(n) for n = 1141419985 and 1141420012.

It is a congruent number.

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, 107543 + ... + 117678.

It is an arithmetic number, because the mean of its divisors is an integer number (95644276).

Almost surely, 2^1141420028 is an apocalyptic number.

It is an amenable number.

1141420028 is an abundant number, since it is smaller than the sum of its proper divisors (1154042596).

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

1141420028 is a wasteful number, since it uses less digits than its factorization.

1141420028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225413 (or 225411 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 1141420028 is about 33784.9082875772. The cubic root of 1141420028 is about 1045.0774964467.

Adding to 1141420028 its reverse (8200241411), we get a palindrome (9341661439).

The spelling of 1141420028 in words is "one billion, one hundred forty-one million, four hundred twenty thousand, twenty-eight".