1117142069 has 16 divisors (see below), whose sum is σ = 1200830400. Its totient is φ = 1036175616.

The previous prime is 1117142053. The next prime is 1117142077. The reversal of 1117142069 is 9602417111.

1117142069 = T₄₃₉₀ + T₄₃₉₁ + ... + T₄₅₀₂.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1117142069 - 2⁴ = 1117142053 is a prime.

It is a super-2 number, since 2×1117142069² = 2496012804659201522, which contains 22 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 (1117142099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175067 + ... + 181335.

It is an arithmetic number, because the mean of its divisors is an integer number (75051900).

Almost surely, 2^1117142069 is an apocalyptic number.

1117142069 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1117142069 is a deficient number, since it is larger than the sum of its proper divisors (83688331).

1117142069 is a wasteful number, since it uses less digits than its factorization.

1117142069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6484.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 1117142069 is about 33423.6752766658. The cubic root of 1117142069 is about 1037.6147471479.

The spelling of 1117142069 in words is "one billion, one hundred seventeen million, one hundred forty-two thousand, sixty-nine".