1126556139 has 8 divisors (see below), whose sum is σ = 1538710992. Its totient is φ = 732719360.

The previous prime is 1126556107. The next prime is 1126556147. The reversal of 1126556139 is 9316556211.

It is a happy number.

1126556139 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 1126556139 - 2⁵ = 1126556107 is a prime.

It is a super-4 number, since 4×1126556139⁴ (a number of 37 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1126556097 and 1126556106.

It is not an unprimeable number, because it can be changed into a prime (1126556239) 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, 4579374 + ... + 4579619.

It is an arithmetic number, because the mean of its divisors is an integer number (192338874).

Almost surely, 2^1126556139 is an apocalyptic number.

1126556139 is a deficient number, since it is larger than the sum of its proper divisors (412154853).

1126556139 is an equidigital number, since it uses as much as digits as its factorization.

1126556139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9159037.

The product of its digits is 48600, while the sum is 39.

The square root of 1126556139 is about 33564.2091967024. The cubic root of 1126556139 is about 1040.5212312655.

The spelling of 1126556139 in words is "one billion, one hundred twenty-six million, five hundred fifty-six thousand, one hundred thirty-nine".