1129640486 has 8 divisors (see below), whose sum is σ = 1824803904. Its totient is φ = 521372520.

The previous prime is 1129640467. The next prime is 1129640503. The reversal of 1129640486 is 6840469211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1129640486³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21723830 + ... + 21723881.

It is an arithmetic number, because the mean of its divisors is an integer number (228100488).

Almost surely, 2^1129640486 is an apocalyptic number.

1129640486 is a deficient number, since it is larger than the sum of its proper divisors (695163418).

1129640486 is a wasteful number, since it uses less digits than its factorization.

1129640486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43447726.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 1129640486 is about 33610.1247543058. The cubic root of 1129640486 is about 1041.4699646019.

The spelling of 1129640486 in words is "one billion, one hundred twenty-nine million, six hundred forty thousand, four hundred eighty-six".