1121545174 has 8 divisors (see below), whose sum is σ = 1687401288. Its totient is φ = 559078080.

The previous prime is 1121545169. The next prime is 1121545177. The reversal of 1121545174 is 4715451211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121545177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 846427 + ... + 847750.

It is an arithmetic number, because the mean of its divisors is an integer number (210925161).

Almost surely, 2^1121545174 is an apocalyptic number.

1121545174 is a deficient number, since it is larger than the sum of its proper divisors (565856114).

1121545174 is a wasteful number, since it uses less digits than its factorization.

1121545174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694510.

The product of its digits is 5600, while the sum is 31.

The square root of 1121545174 is about 33489.4785567049. The cubic root of 1121545174 is about 1038.9761787037.

Adding to 1121545174 its reverse (4715451211), we get a palindrome (5836996385).

The spelling of 1121545174 in words is "one billion, one hundred twenty-one million, five hundred forty-five thousand, one hundred seventy-four".