1011142433 has 8 divisors (see below), whose sum is σ = 1160775168. Its totient is φ = 862805664.

The previous prime is 1011142397. The next prime is 1011142481. The reversal of 1011142433 is 3342411101.

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

It is not a de Polignac number, because 1011142433 - 2²⁰ = 1010093857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011132433) 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, 322316 + ... + 325437.

It is an arithmetic number, because the mean of its divisors is an integer number (145096896).

Almost surely, 2^1011142433 is an apocalyptic number.

It is an amenable number.

1011142433 is a deficient number, since it is larger than the sum of its proper divisors (149632735).

1011142433 is an equidigital number, since it uses as much as digits as its factorization.

1011142433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647983.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1011142433 is about 31798.4658906684. The cubic root of 1011142433 is about 1003.7004342296.

Adding to 1011142433 its reverse (3342411101), we get a palindrome (4353553534).

The spelling of 1011142433 in words is "one billion, eleven million, one hundred forty-two thousand, four hundred thirty-three".