1121507151 has 4 divisors (see below), whose sum is σ = 1495342872. Its totient is φ = 747671432.

The previous prime is 1121507081. The next prime is 1121507159. The reversal of 1121507151 is 1517051211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1121507151 - 2¹⁷ = 1121376079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121507159) 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, 186917856 + ... + 186917861.

It is an arithmetic number, because the mean of its divisors is an integer number (373835718).

Almost surely, 2^1121507151 is an apocalyptic number.

1121507151 is a deficient number, since it is larger than the sum of its proper divisors (373835721).

1121507151 is an equidigital number, since it uses as much as digits as its factorization.

1121507151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373835720.

The product of its (nonzero) digits is 350, while the sum is 24.

The square root of 1121507151 is about 33488.9108661360. The cubic root of 1121507151 is about 1038.9644373316.

Adding to 1121507151 its reverse (1517051211), we get a palindrome (2638558362).

The spelling of 1121507151 in words is "one billion, one hundred twenty-one million, five hundred seven thousand, one hundred fifty-one".