1165426212 has 12 divisors (see below), whose sum is σ = 2719327856. Its totient is φ = 388475400.

The previous prime is 1165426133. The next prime is 1165426231. The reversal of 1165426212 is 2126245611.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1165426212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48559414 + ... + 48559437.

Almost surely, 2^1165426212 is an apocalyptic number.

1165426212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1165426212 is an abundant number, since it is smaller than the sum of its proper divisors (1553901644).

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

1165426212 is a wasteful number, since it uses less digits than its factorization.

1165426212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97118858 (or 97118856 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 1165426212 is about 34138.3393269210. The cubic root of 1165426212 is about 1052.3533645483.

The spelling of 1165426212 in words is "one billion, one hundred sixty-five million, four hundred twenty-six thousand, two hundred twelve".