1117142070 has 32 divisors (see below), whose sum is σ = 2924881920. Its totient is φ = 270822240.

The previous prime is 1117142053. The next prime is 1117142077. The reversal of 1117142070 is 702417111.

It is a self number, because there is not a number n which added to its sum of digits gives 1117142070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117142077) 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, 1692310 + ... + 1692969.

It is an arithmetic number, because the mean of its divisors is an integer number (91402560).

Almost surely, 2^1117142070 is an apocalyptic number.

1117142070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1117142070 is an abundant number, since it is smaller than the sum of its proper divisors (1807739850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1117142070 is a wasteful number, since it uses less digits than its factorization.

1117142070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3385300.

The product of its (nonzero) digits is 392, while the sum is 24.

The square root of 1117142070 is about 33423.6752916252. The cubic root of 1117142070 is about 1037.6147474575.

Adding to 1117142070 its reverse (702417111), we get a palindrome (1819559181).

The spelling of 1117142070 in words is "one billion, one hundred seventeen million, one hundred forty-two thousand, seventy".