1121751347 has 2 divisors, whose sum is σ = 1121751348. Its totient is φ = 1121751346.

The previous prime is 1121751313. The next prime is 1121751383. The reversal of 1121751347 is 7431571211.

It is a weak prime.

It is an emirp because it is prime and its reverse (7431571211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121751347 - 2⁸ = 1121751091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121759347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560875673 + 560875674.

It is an arithmetic number, because the mean of its divisors is an integer number (560875674).

Almost surely, 2^1121751347 is an apocalyptic number.

1121751347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121751347 is an equidigital number, since it uses as much as digits as its factorization.

1121751347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5880, while the sum is 32.

The square root of 1121751347 is about 33492.5565909800. The cubic root of 1121751347 is about 1039.0398395994.

The spelling of 1121751347 in words is "one billion, one hundred twenty-one million, seven hundred fifty-one thousand, three hundred forty-seven".