1129654516 has 12 divisors (see below), whose sum is σ = 2045064420. Its totient is φ = 545350400.

The previous prime is 1129654489. The next prime is 1129654523. The reversal of 1129654516 is 6154569211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 202208400 + 927446116 = 14220^2 + 30454^2 .

It is a super-2 number, since 2×1129654516² = 2552238651038388512, which contains 22 as substring.

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, 4869085 + ... + 4869316.

It is an arithmetic number, because the mean of its divisors is an integer number (170422035).

Almost surely, 2^1129654516 is an apocalyptic number.

It is an amenable number.

1129654516 is a deficient number, since it is larger than the sum of its proper divisors (915409904).

1129654516 is a wasteful number, since it uses less digits than its factorization.

1129654516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9738434 (or 9738432 counting only the distinct ones).

The product of its digits is 64800, while the sum is 40.

The square root of 1129654516 is about 33610.3334705266. Note that the first 3 decimals coincide. The cubic root of 1129654516 is about 1041.4742762283.

The spelling of 1129654516 in words is "one billion, one hundred twenty-nine million, six hundred fifty-four thousand, five hundred sixteen".