1011224144 has 20 divisors (see below), whose sum is σ = 2239139424. Its totient is φ = 433381728.

The previous prime is 1011224119. The next prime is 1011224167. The reversal of 1011224144 is 4414221101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4514282 + ... + 4514505.

Almost surely, 2^1011224144 is an apocalyptic number.

1011224144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1011224144 is an abundant number, since it is smaller than the sum of its proper divisors (1227915280).

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

1011224144 is an equidigital number, since it uses as much as digits as its factorization.

1011224144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9028802 (or 9028796 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1011224144 is about 31799.7506908466. The cubic root of 1011224144 is about 1003.7274700373.

Adding to 1011224144 its reverse (4414221101), we get a palindrome (5425445245).

The spelling of 1011224144 in words is "one billion, eleven million, two hundred twenty-four thousand, one hundred forty-four".