1056229039 has 4 divisors (see below), whose sum is σ = 1092650760. Its totient is φ = 1019807320.

The previous prime is 1056229021. The next prime is 1056229049. The reversal of 1056229039 is 9309226501.

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

It is a cyclic number.

It is not a de Polignac number, because 1056229039 - 2²⁹ = 519358127 is a prime.

It is a super-3 number, since 3×1056229039³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1056228989 and 1056229007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056229049) 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, 18210817 + ... + 18210874.

It is an arithmetic number, because the mean of its divisors is an integer number (273162690).

Almost surely, 2^1056229039 is an apocalyptic number.

1056229039 is a deficient number, since it is larger than the sum of its proper divisors (36421721).

1056229039 is an equidigital number, since it uses as much as digits as its factorization.

1056229039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36421720.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 1056229039 is about 32499.6775214770. The cubic root of 1056229039 is about 1018.4022913942.

It can be divided in two parts, 10562 and 29039, that added together give a square (39601 = 199²).

The spelling of 1056229039 in words is "one billion, fifty-six million, two hundred twenty-nine thousand, thirty-nine".