1129422893 has 8 divisors (see below), whose sum is σ = 1168975800. Its totient is φ = 1089910528.

The previous prime is 1129422841. The next prime is 1129422901. The reversal of 1129422893 is 3982249211.

It can be written as a sum of positive squares in 4 ways, for example, as 165817129 + 963605764 = 12877^2 + 31042^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1129422893 - 2¹⁰ = 1129421869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1129422893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129422803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53393 + ... + 71481.

It is an arithmetic number, because the mean of its divisors is an integer number (146121975).

Almost surely, 2^1129422893 is an apocalyptic number.

It is an amenable number.

1129422893 is a deficient number, since it is larger than the sum of its proper divisors (39552907).

1129422893 is a wasteful number, since it uses less digits than its factorization.

1129422893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20271.

The product of its digits is 62208, while the sum is 41.

The square root of 1129422893 is about 33606.8875827560. The cubic root of 1129422893 is about 1041.4030904862.

The spelling of 1129422893 in words is "one billion, one hundred twenty-nine million, four hundred twenty-two thousand, eight hundred ninety-three".