1127142069 has 4 divisors (see below), whose sum is σ = 1502856096. Its totient is φ = 751428044.

The previous prime is 1127141999. The next prime is 1127142083. The reversal of 1127142069 is 9602417211.

It is a happy number.

1127142069 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1127142069 - 2¹⁵ = 1127109301 is a prime.

It is a super-2 number, since 2×1127142069² = 2540898487419201522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1127142869) 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, 187857009 + ... + 187857014.

It is an arithmetic number, because the mean of its divisors is an integer number (375714024).

Almost surely, 2^1127142069 is an apocalyptic number.

It is an amenable number.

1127142069 is a deficient number, since it is larger than the sum of its proper divisors (375714027).

1127142069 is an equidigital number, since it uses as much as digits as its factorization.

1127142069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375714026.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 1127142069 is about 33572.9365561013. The cubic root of 1127142069 is about 1040.7015942071.

The spelling of 1127142069 in words is "one billion, one hundred twenty-seven million, one hundred forty-two thousand, sixty-nine".