1141312920 has 64 divisors (see below), whose sum is σ = 3735210240. Its totient is φ = 276681600.

The previous prime is 1141312889. The next prime is 1141312937. The reversal of 1141312920 is 292131411.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430996 + ... + 433635.

It is an arithmetic number, because the mean of its divisors is an integer number (58362660).

Almost surely, 2^1141312920 is an apocalyptic number.

1141312920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1141312920 is an abundant number, since it is smaller than the sum of its proper divisors (2593897320).

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

1141312920 is a wasteful number, since it uses less digits than its factorization.

1141312920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864656 (or 864652 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1141312920 is about 33783.3231047510. The cubic root of 1141312920 is about 1045.0448062716.

The spelling of 1141312920 in words is "one billion, one hundred forty-one million, three hundred twelve thousand, nine hundred twenty".