1174012218 has 44 divisors (see below), whose sum is σ = 2641778298. Its totient is φ = 391298040.

The previous prime is 1174012159. The next prime is 1174012219. The reversal of 1174012218 is 8122104711.

It can be written as a sum of positive squares in only one way, i.e., 1173953169 + 59049 = 34263^2 + 243^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1174012191 and 1174012200.

It is not an unprimeable number, because it can be changed into a prime (1174012219) by changing a digit.

It is a polite number, since it can be written in 21 ways as a sum of consecutive naturals, for example, 113128 + ... + 123068.

Almost surely, 2^1174012218 is an apocalyptic number.

1174012218 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1174012218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1320889149).

1174012218 is an abundant number, since it is smaller than the sum of its proper divisors (1467766080).

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

1174012218 is an frugal number, since it uses more digits than its factorization.

1174012218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9973 (or 9946 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 1174012218 is about 34263.8616912922. The cubic root of 1174012218 is about 1054.9313666484.

Adding to 1174012218 its reverse (8122104711), we get a palindrome (9296116929).

The spelling of 1174012218 in words is "one billion, one hundred seventy-four million, twelve thousand, two hundred eighteen".