1121461717 has 4 divisors (see below), whose sum is σ = 1133023276. Its totient is φ = 1109900160.

The previous prime is 1121461711. The next prime is 1121461723. The reversal of 1121461717 is 7171641211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7171641211 = 7 ⋅1024520173.

It is an interprime number because it is at equal distance from previous prime (1121461711) and next prime (1121461723).

It can be written as a sum of positive squares in 2 ways, for example, as 357436836 + 764024881 = 18906^2 + 27641^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121461717 - 2⁷ = 1121461589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121461711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5780634 + ... + 5780827.

It is an arithmetic number, because the mean of its divisors is an integer number (283255819).

Almost surely, 2^1121461717 is an apocalyptic number.

It is an amenable number.

1121461717 is a deficient number, since it is larger than the sum of its proper divisors (11561559).

1121461717 is an equidigital number, since it uses as much as digits as its factorization.

1121461717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11561558.

The product of its digits is 2352, while the sum is 31.

The square root of 1121461717 is about 33488.2325153180. The cubic root of 1121461717 is about 1038.9504071201.

The spelling of 1121461717 in words is "one billion, one hundred twenty-one million, four hundred sixty-one thousand, seven hundred seventeen".