1011233142 has 12 divisors (see below), whose sum is σ = 2191005180. Its totient is φ = 337077708.

The previous prime is 1011233141. The next prime is 1011233177. The reversal of 1011233142 is 2413321101.

1011233142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 56179619 = 1011233142 / (1 + 0 + 1 + 1 + 2 + 3 + 3 + 1 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011233141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28089792 + ... + 28089827.

It is an arithmetic number, because the mean of its divisors is an integer number (182583765).

Almost surely, 2^1011233142 is an apocalyptic number.

1011233142 is an abundant number, since it is smaller than the sum of its proper divisors (1179772038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011233142 is a wasteful number, since it uses less digits than its factorization.

1011233142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56179627 (or 56179624 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1011233142 is about 31799.8921696285. The cubic root of 1011233142 is about 1003.7304471263.

Adding to 1011233142 its reverse (2413321101), we get a palindrome (3424554243).

The spelling of 1011233142 in words is "one billion, eleven million, two hundred thirty-three thousand, one hundred forty-two".