1126005738 has 64 divisors (see below), whose sum is σ = 2659958784. Its totient is φ = 313272000.

The previous prime is 1126005731. The next prime is 1126005773. The reversal of 1126005738 is 8375006211.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 1126005699 and 1126005708.

It is not an unprimeable number, because it can be changed into a prime (1126005731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160443 + ... + 167313.

It is an arithmetic number, because the mean of its divisors is an integer number (41561856).

Almost surely, 2^1126005738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1126005738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1329979392).

1126005738 is an abundant number, since it is smaller than the sum of its proper divisors (1533953046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1126005738 is a wasteful number, since it uses less digits than its factorization.

1126005738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7091.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 1126005738 is about 33556.0089700787. The cubic root of 1126005738 is about 1040.3517480058.

The spelling of 1126005738 in words is "one billion, one hundred twenty-six million, five thousand, seven hundred thirty-eight".