1171423090 has 8 divisors (see below), whose sum is σ = 2108561580. Its totient is φ = 468569232.

The previous prime is 1171423081. The next prime is 1171423117. The reversal of 1171423090 is 903241711.

It can be written as a sum of positive squares in 2 ways, for example, as 1080239689 + 91183401 = 32867^2 + 9549^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58571145 + ... + 58571164.

Almost surely, 2^1171423090 is an apocalyptic number.

1171423090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1171423090 is a deficient number, since it is larger than the sum of its proper divisors (937138490).

1171423090 is a wasteful number, since it uses less digits than its factorization.

1171423090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117142316.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1171423090 is about 34226.0586395805. The cubic root of 1171423090 is about 1054.1552921921.

The spelling of 1171423090 in words is "one billion, one hundred seventy-one million, four hundred twenty-three thousand, ninety".