1043242111 has 8 divisors (see below), whose sum is σ = 1105110864. Its totient is φ = 981429120.

The previous prime is 1043242099. The next prime is 1043242129. The reversal of 1043242111 is 1112423401.

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 1043242111 - 2²³ = 1034853503 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 (1043242511) 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, 28261 + ... + 53713.

It is an arithmetic number, because the mean of its divisors is an integer number (138138858).

Almost surely, 2^1043242111 is an apocalyptic number.

1043242111 is a deficient number, since it is larger than the sum of its proper divisors (61868753).

1043242111 is a wasteful number, since it uses less digits than its factorization.

1043242111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27881.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1043242111 is about 32299.2586757034. The cubic root of 1043242111 is about 1014.2111242727.

Adding to 1043242111 its reverse (1112423401), we get a palindrome (2155665512).

The spelling of 1043242111 in words is "one billion, forty-three million, two hundred forty-two thousand, one hundred eleven".