1121524101 has 12 divisors (see below), whose sum is σ = 1646537100. Its totient is φ = 735425280.

The previous prime is 1121524081. The next prime is 1121524121. The reversal of 1121524101 is 1014251211.

It is an interprime number because it is at equal distance from previous prime (1121524081) and next prime (1121524121).

It can be written as a sum of positive squares in 2 ways, for example, as 411035076 + 710489025 = 20274^2 + 26655^2 .

It is not a de Polignac number, because 1121524101 - 2⁵ = 1121524069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121524121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1020876 + ... + 1021973.

It is an arithmetic number, because the mean of its divisors is an integer number (137211425).

Almost surely, 2^1121524101 is an apocalyptic number.

It is an amenable number.

1121524101 is a deficient number, since it is larger than the sum of its proper divisors (525012999).

1121524101 is a wasteful number, since it uses less digits than its factorization.

1121524101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042916 (or 2042913 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 1121524101 is about 33489.1639340250. The cubic root of 1121524101 is about 1038.9696714663.

Adding to 1121524101 its reverse (1014251211), we get a palindrome (2135775312).

The spelling of 1121524101 in words is "one billion, one hundred twenty-one million, five hundred twenty-four thousand, one hundred one".