1142611943 has 8 divisors (see below), whose sum is σ = 1249744896. Its totient is φ = 1036022200.

The previous prime is 1142611901. The next prime is 1142611957. The reversal of 1142611943 is 3491162411.

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 1142611943 - 2¹² = 1142607847 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 (1142614943) 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, 131393 + ... + 139818.

It is an arithmetic number, because the mean of its divisors is an integer number (156218112).

Almost surely, 2^1142611943 is an apocalyptic number.

1142611943 is a deficient number, since it is larger than the sum of its proper divisors (107132953).

1142611943 is a wasteful number, since it uses less digits than its factorization.

1142611943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271605.

The product of its digits is 5184, while the sum is 32.

The square root of 1142611943 is about 33802.5434398064. The cubic root of 1142611943 is about 1045.4411400316.

The spelling of 1142611943 in words is "one billion, one hundred forty-two million, six hundred eleven thousand, nine hundred forty-three".