1126750549 has 8 divisors (see below), whose sum is σ = 1139327640. Its totient is φ = 1114214400.

The previous prime is 1126750511. The next prime is 1126750571. The reversal of 1126750549 is 9450576211.

It can be written as a sum of positive squares in 4 ways, for example, as 1483524 + 1125267025 = 1218^2 + 33545^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1126750549 - 2¹¹ = 1126748501 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 (1126750589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46869 + ... + 66709.

It is an arithmetic number, because the mean of its divisors is an integer number (142415955).

Almost surely, 2^1126750549 is an apocalyptic number.

It is an amenable number.

1126750549 is a deficient number, since it is larger than the sum of its proper divisors (12577091).

1126750549 is a wasteful number, since it uses less digits than its factorization.

1126750549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20471.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 1126750549 is about 33567.1051626440. The cubic root of 1126750549 is about 1040.5810821362.

It can be divided in two parts, 11267 and 50549, that added together give a palindrome (61816).

The spelling of 1126750549 in words is "one billion, one hundred twenty-six million, seven hundred fifty thousand, five hundred forty-nine".