1170225899 has 4 divisors (see below), whose sum is σ = 1201853664. Its totient is φ = 1138598136.

The previous prime is 1170225887. The next prime is 1170225907. The reversal of 1170225899 is 9985220711.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9985220711 = 59 ⋅169241029.

It is a cyclic number.

It is not a de Polignac number, because 1170225899 - 2⁸ = 1170225643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1170225799) 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, 15813827 + ... + 15813900.

It is an arithmetic number, because the mean of its divisors is an integer number (300463416).

Almost surely, 2^1170225899 is an apocalyptic number.

1170225899 is a deficient number, since it is larger than the sum of its proper divisors (31627765).

1170225899 is an equidigital number, since it uses as much as digits as its factorization.

1170225899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31627764.

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 1170225899 is about 34208.5647024250. The cubic root of 1170225899 is about 1053.7960552343.

The spelling of 1170225899 in words is "one billion, one hundred seventy million, two hundred twenty-five thousand, eight hundred ninety-nine".