1129627741 has 4 divisors (see below), whose sum is σ = 1232321184. Its totient is φ = 1026934300.

The previous prime is 1129627739. The next prime is 1129627753. The reversal of 1129627741 is 1477269211.

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: 1477269211 = 11 ⋅134297201.

It is a cyclic number.

It is not a de Polignac number, because 1129627741 - 2¹ = 1129627739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1129627694 and 1129627703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129628741) 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, 51346705 + ... + 51346726.

It is an arithmetic number, because the mean of its divisors is an integer number (308080296).

Almost surely, 2^1129627741 is an apocalyptic number.

1129627741 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1129627741 is a deficient number, since it is larger than the sum of its proper divisors (102693443).

1129627741 is a wasteful number, since it uses less digits than its factorization.

1129627741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102693442.

The product of its digits is 42336, while the sum is 40.

The square root of 1129627741 is about 33609.9351531656. The cubic root of 1129627741 is about 1041.4660478441.

The spelling of 1129627741 in words is "one billion, one hundred twenty-nine million, six hundred twenty-seven thousand, seven hundred forty-one".