1161048726 has 24 divisors (see below), whose sum is σ = 2524568904. Its totient is φ = 385637280.

The previous prime is 1161048709. The next prime is 1161048739. The reversal of 1161048726 is 6278401611.

It is a happy number.

1161048726 is a `hidden beast` number, since 11 + 610 + 4 + 8 + 7 + 26 = 666.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 109716 + ... + 119831.

It is an arithmetic number, because the mean of its divisors is an integer number (105190371).

Almost surely, 2^1161048726 is an apocalyptic number.

1161048726 is an abundant number, since it is smaller than the sum of its proper divisors (1363520178).

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

1161048726 is a wasteful number, since it uses less digits than its factorization.

1161048726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229836 (or 229833 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 1161048726 is about 34074.1650814807. The cubic root of 1161048726 is about 1051.0341213189.

The spelling of 1161048726 in words is "one billion, one hundred sixty-one million, forty-eight thousand, seven hundred twenty-six".