1141297909 has 8 divisors (see below), whose sum is σ = 1202040000. Its totient is φ = 1080623232.

The previous prime is 1141297901. The next prime is 1141297933. The reversal of 1141297909 is 9097921411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1141297909 - 2³ = 1141297901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141297901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19992 + ... + 51790.

It is an arithmetic number, because the mean of its divisors is an integer number (150255000).

Almost surely, 2^1141297909 is an apocalyptic number.

1141297909 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1141297909 is a deficient number, since it is larger than the sum of its proper divisors (60742091).

1141297909 is a wasteful number, since it uses less digits than its factorization.

1141297909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33707.

The product of its (nonzero) digits is 40824, while the sum is 43.

The square root of 1141297909 is about 33783.1009381910. The cubic root of 1141297909 is about 1045.0402246369.

The spelling of 1141297909 in words is "one billion, one hundred forty-one million, two hundred ninety-seven thousand, nine hundred nine".