1121524043 has 8 divisors (see below), whose sum is σ = 1150362000. Its totient is φ = 1092970528.

The previous prime is 1121524037. The next prime is 1121524069. The reversal of 1121524043 is 3404251211.

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

It is a cyclic number.

It is not a de Polignac number, because 1121524043 - 2¹⁴ = 1121507659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121524003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63113 + ... + 78906.

It is an arithmetic number, because the mean of its divisors is an integer number (143795250).

Almost surely, 2^1121524043 is an apocalyptic number.

1121524043 is a deficient number, since it is larger than the sum of its proper divisors (28837957).

1121524043 is a wasteful number, since it uses less digits than its factorization.

1121524043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142221.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1121524043 is about 33489.1630680732. The cubic root of 1121524043 is about 1038.9696535561.

Adding to 1121524043 its reverse (3404251211), we get a palindrome (4525775254).

The spelling of 1121524043 in words is "one billion, one hundred twenty-one million, five hundred twenty-four thousand, forty-three".