1141861404 has 24 divisors (see below), whose sum is σ = 2780184960. Its totient is φ = 364071664.

The previous prime is 1141861387. The next prime is 1141861429. The reversal of 1141861404 is 4041681411.

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 7 ways as a sum of consecutive naturals, for example, 2068314 + ... + 2068865.

It is an arithmetic number, because the mean of its divisors is an integer number (115841040).

Almost surely, 2^1141861404 is an apocalyptic number.

It is an amenable number.

1141861404 is an abundant number, since it is smaller than the sum of its proper divisors (1638323556).

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

1141861404 is a wasteful number, since it uses less digits than its factorization.

1141861404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4137209 (or 4137207 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 1141861404 is about 33791.4398035952. The cubic root of 1141861404 is about 1045.2121861812.

The spelling of 1141861404 in words is "one billion, one hundred forty-one million, eight hundred sixty-one thousand, four hundred four".