1091296746 has 16 divisors (see below), whose sum is σ = 2425104000. Its totient is φ = 363765564.

The previous prime is 1091296733. The next prime is 1091296747. The reversal of 1091296746 is 6476921901.

1091296746 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1091296747) 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, 10104546 + ... + 10104653.

It is an arithmetic number, because the mean of its divisors is an integer number (151569000).

Almost surely, 2^1091296746 is an apocalyptic number.

1091296746 is an abundant number, since it is smaller than the sum of its proper divisors (1333807254).

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

1091296746 is a wasteful number, since it uses less digits than its factorization.

1091296746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20209210 (or 20209204 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 1091296746 is about 33034.7808529132. The cubic root of 1091296746 is about 1029.5504199369.

It can be divided in two parts, 109 and 1296746, that added together give a triangular number (1296855 = T₁₆₁₀).

The spelling of 1091296746 in words is "one billion, ninety-one million, two hundred ninety-six thousand, seven hundred forty-six".