1124629889 has 4 divisors (see below), whose sum is σ = 1163410260. Its totient is φ = 1085849520.

The previous prime is 1124629879. The next prime is 1124629921. The reversal of 1124629889 is 9889264211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 676884289 + 447745600 = 26017^2 + 21160^2 .

It is a cyclic number.

It is not a de Polignac number, because 1124629889 - 2²⁰ = 1123581313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1124629829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19390142 + ... + 19390199.

It is an arithmetic number, because the mean of its divisors is an integer number (290852565).

Almost surely, 2^1124629889 is an apocalyptic number.

It is an amenable number.

1124629889 is a deficient number, since it is larger than the sum of its proper divisors (38780371).

1124629889 is an equidigital number, since it uses as much as digits as its factorization.

1124629889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38780370.

The product of its digits is 497664, while the sum is 50.

The square root of 1124629889 is about 33535.5019196075. The cubic root of 1124629889 is about 1039.9278454009.

The spelling of 1124629889 in words is "one billion, one hundred twenty-four million, six hundred twenty-nine thousand, eight hundred eighty-nine".