1129387412 has 24 divisors (see below), whose sum is σ = 2041536000. Its totient is φ = 546115680.

The previous prime is 1129387403. The next prime is 1129387421. The reversal of 1129387412 is 2147839211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1129387403) and next prime (1129387421).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370358 + ... + 373394.

It is an arithmetic number, because the mean of its divisors is an integer number (85064000).

Almost surely, 2^1129387412 is an apocalyptic number.

It is an amenable number.

1129387412 is a deficient number, since it is larger than the sum of its proper divisors (912148588).

1129387412 is a wasteful number, since it uses less digits than its factorization.

1129387412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6071 (or 6069 counting only the distinct ones).

The product of its digits is 24192, while the sum is 38.

The square root of 1129387412 is about 33606.3596957481. The cubic root of 1129387412 is about 1041.3921850907.

The spelling of 1129387412 in words is "one billion, one hundred twenty-nine million, three hundred eighty-seven thousand, four hundred twelve".