1122144516 has 60 divisors (see below), whose sum is σ = 3061071552. Its totient is φ = 357782832.

The previous prime is 1122144487. The next prime is 1122144577. The reversal of 1122144516 is 6154412211.

1122144516 is a `hidden beast` number, since 1 + 1 + 2 + 2 + 144 + 516 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1122144516.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 67840 + ... + 82743.

Almost surely, 2^1122144516 is an apocalyptic number.

It is an amenable number.

1122144516 is an abundant number, since it is smaller than the sum of its proper divisors (1938927036).

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

1122144516 is a wasteful number, since it uses less digits than its factorization.

1122144516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150622 (or 150611 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 1122144516 is about 33498.4255749431. The cubic root of 1122144516 is about 1039.1612184110.

Adding to 1122144516 its reverse (6154412211), we get a palindrome (7276556727).

The spelling of 1122144516 in words is "one billion, one hundred twenty-two million, one hundred forty-four thousand, five hundred sixteen".