1141609212 has 36 divisors (see below), whose sum is σ = 2886833040. Its totient is φ = 380391552.

The previous prime is 1141609201. The next prime is 1141609219. The reversal of 1141609212 is 2129061411.

1141609212 is a `hidden beast` number, since 1 + 1 + 41 + 609 + 2 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141609219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134964 + ... + 143172.

Almost surely, 2^1141609212 is an apocalyptic number.

1141609212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1141609212 is an abundant number, since it is smaller than the sum of its proper divisors (1745223828).

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

1141609212 is a wasteful number, since it uses less digits than its factorization.

1141609212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12082 (or 12077 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1141609212 is about 33787.7080015795. The cubic root of 1141609212 is about 1045.1352318447.

The spelling of 1141609212 in words is "one billion, one hundred forty-one million, six hundred nine thousand, two hundred twelve".