1121247162 has 24 divisors (see below), whose sum is σ = 2776421856. Its totient is φ = 320356296.

The previous prime is 1121247119. The next prime is 1121247167. The reversal of 1121247162 is 2617421211.

It is a super-4 number, since 4×1121247162⁴ (a number of 37 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1121247167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4449268 + ... + 4449519.

It is an arithmetic number, because the mean of its divisors is an integer number (115684244).

Almost surely, 2^1121247162 is an apocalyptic number.

1121247162 is an abundant number, since it is smaller than the sum of its proper divisors (1655174694).

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

1121247162 is a wasteful number, since it uses less digits than its factorization.

1121247162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8898802 (or 8898799 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 1121247162 is about 33485.0289233860. The cubic root of 1121247162 is about 1038.8841465073.

Adding to 1121247162 its reverse (2617421211), we get a palindrome (3738668373).

The spelling of 1121247162 in words is "one billion, one hundred twenty-one million, two hundred forty-seven thousand, one hundred sixty-two".