1011224142 has 32 divisors (see below), whose sum is σ = 2324656800. Its totient is φ = 325450944.

The previous prime is 1011224119. The next prime is 1011224167. The reversal of 1011224142 is 2414221101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321303 + ... + 324434.

It is an arithmetic number, because the mean of its divisors is an integer number (72645525).

Almost surely, 2^1011224142 is an apocalyptic number.

1011224142 is an abundant number, since it is smaller than the sum of its proper divisors (1313432658).

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

1011224142 is a wasteful number, since it uses less digits than its factorization.

1011224142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645777 (or 645771 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1011224142 is about 31799.7506593998. The cubic root of 1011224142 is about 1003.7274693755.

Adding to 1011224142 its reverse (2414221101), we get a palindrome (3425445243).

The spelling of 1011224142 in words is "one billion, eleven million, two hundred twenty-four thousand, one hundred forty-two".