1161269214 has 64 divisors (see below), whose sum is σ = 2771366400. Its totient is φ = 317374848.

The previous prime is 1161269209. The next prime is 1161269233. The reversal of 1161269214 is 4129621611.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128389 + ... + 137135.

It is an arithmetic number, because the mean of its divisors is an integer number (43302600).

Almost surely, 2^1161269214 is an apocalyptic number.

1161269214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1161269214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1385683200).

1161269214 is an abundant number, since it is smaller than the sum of its proper divisors (1610097186).

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

1161269214 is a wasteful number, since it uses less digits than its factorization.

1161269214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8897.

The product of its digits is 5184, while the sum is 33.

The square root of 1161269214 is about 34077.4003409885. The cubic root of 1161269214 is about 1051.1006490302.

The spelling of 1161269214 in words is "one billion, one hundred sixty-one million, two hundred sixty-nine thousand, two hundred fourteen".