1141954787 has 4 divisors (see below), whose sum is σ = 1209128616. Its totient is φ = 1074780960.

The previous prime is 1141954769. The next prime is 1141954789. The reversal of 1141954787 is 7874591411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1141954787 - 2¹⁰ = 1141953763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141954789) 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, 33586889 + ... + 33586922.

It is an arithmetic number, because the mean of its divisors is an integer number (302282154).

Almost surely, 2^1141954787 is an apocalyptic number.

1141954787 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1141954787 is a deficient number, since it is larger than the sum of its proper divisors (67173829).

1141954787 is an equidigital number, since it uses as much as digits as its factorization.

1141954787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67173828.

The product of its digits is 282240, while the sum is 47.

The square root of 1141954787 is about 33792.8215306150. The cubic root of 1141954787 is about 1045.2406783690.

The spelling of 1141954787 in words is "one billion, one hundred forty-one million, nine hundred fifty-four thousand, seven hundred eighty-seven".