1141978692 has 24 divisors (see below), whose sum is σ = 2726586016. Its totient is φ = 371806848.

The previous prime is 1141978687. The next prime is 1141978751. The reversal of 1141978692 is 2968791411.

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, 1106053 + ... + 1107084.

Almost surely, 2^1141978692 is an apocalyptic number.

1141978692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1141978692 is an abundant number, since it is smaller than the sum of its proper divisors (1584607324).

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

1141978692 is a wasteful number, since it uses less digits than its factorization.

1141978692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2213187 (or 2213185 counting only the distinct ones).

The product of its digits is 217728, while the sum is 48.

The square root of 1141978692 is about 33793.1752281433. The cubic root of 1141978692 is about 1045.2479717997.

The spelling of 1141978692 in words is "one billion, one hundred forty-one million, nine hundred seventy-eight thousand, six hundred ninety-two".