1122481152 has 264 divisors, whose sum is σ = 3630166176. Its totient is φ = 344383488.

The previous prime is 1122481147. The next prime is 1122481153. The reversal of 1122481152 is 2511842211.

1122481152 is a `hidden beast` number, since 11 + 22 + 481 + 152 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122481153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3234643 + ... + 3234989.

Almost surely, 2^1122481152 is an apocalyptic number.

1122481152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122481152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1815083088).

1122481152 is an abundant number, since it is smaller than the sum of its proper divisors (2507685024).

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

1122481152 is an equidigital number, since it uses as much as digits as its factorization.

1122481152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 365 counting only the distinct ones).

The product of its digits is 1280, while the sum is 27.

The square root of 1122481152 is about 33503.4498522167. The cubic root of 1122481152 is about 1039.2651218731.

The spelling of 1122481152 in words is "one billion, one hundred twenty-two million, four hundred eighty-one thousand, one hundred fifty-two".