1141974920 has 16 divisors (see below), whose sum is σ = 2569443660. Its totient is φ = 456789952.

The previous prime is 1141974893. The next prime is 1141974929. The reversal of 1141974920 is 294791411.

It can be written as a sum of positive squares in 2 ways, for example, as 1133130244 + 8844676 = 33662^2 + 2974^2 .

It is not an unprimeable number, because it can be changed into a prime (1141974929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14274647 + ... + 14274726.

Almost surely, 2^1141974920 is an apocalyptic number.

1141974920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1141974920 is an abundant number, since it is smaller than the sum of its proper divisors (1427468740).

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

1141974920 is a wasteful number, since it uses less digits than its factorization.

1141974920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28549384 (or 28549380 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 1141974920 is about 33793.1194180117. The cubic root of 1141974920 is about 1045.2468209668.

The spelling of 1141974920 in words is "one billion, one hundred forty-one million, nine hundred seventy-four thousand, nine hundred twenty".