1128029438 has 8 divisors (see below), whose sum is σ = 1702425288. Its totient is φ = 560554344.

The previous prime is 1128029431. The next prime is 1128029447. The reversal of 1128029438 is 8349208211.

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

It is a super-3 number, since 3×1128029438³ (a number of 28 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128029431) 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, 1729781 + ... + 1730432.

It is an arithmetic number, because the mean of its divisors is an integer number (212803161).

Almost surely, 2^1128029438 is an apocalyptic number.

1128029438 is a deficient number, since it is larger than the sum of its proper divisors (574395850).

1128029438 is a wasteful number, since it uses less digits than its factorization.

1128029438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3460378.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 1128029438 is about 33586.1494964814. The cubic root of 1128029438 is about 1040.9746281392.

The spelling of 1128029438 in words is "one billion, one hundred twenty-eight million, twenty-nine thousand, four hundred thirty-eight".