1121486737 has 4 divisors (see below), whose sum is σ = 1281699136. Its totient is φ = 961274340.

The previous prime is 1121486713. The next prime is 1121486747. The reversal of 1121486737 is 7376841211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7376841211 = 7159 ⋅1030429.

It is a cyclic number.

It is not a de Polignac number, because 1121486737 - 2¹⁵ = 1121453969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121486737.

It is not an unprimeable number, because it can be changed into a prime (1121486747) 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 3 ways as a sum of consecutive naturals, for example, 80106189 + ... + 80106202.

It is an arithmetic number, because the mean of its divisors is an integer number (320424784).

Almost surely, 2^1121486737 is an apocalyptic number.

It is an amenable number.

1121486737 is a deficient number, since it is larger than the sum of its proper divisors (160212399).

1121486737 is an equidigital number, since it uses as much as digits as its factorization.

1121486737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160212398.

The product of its digits is 56448, while the sum is 40.

The square root of 1121486737 is about 33488.6060772914. The cubic root of 1121486737 is about 1038.9581334489.

The spelling of 1121486737 in words is "one billion, one hundred twenty-one million, four hundred eighty-six thousand, seven hundred thirty-seven".