1171226370 has 32 divisors (see below), whose sum is σ = 2870754048. Its totient is φ = 305681408.

The previous prime is 1171226369. The next prime is 1171226423. The reversal of 1171226370 is 736221711.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413919 + ... + 416738.

It is an arithmetic number, because the mean of its divisors is an integer number (89711064).

Almost surely, 2^1171226370 is an apocalyptic number.

1171226370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1171226370 is an abundant number, since it is smaller than the sum of its proper divisors (1699527678).

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

1171226370 is a wasteful number, since it uses less digits than its factorization.

1171226370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830714.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 1171226370 is about 34223.1846852393. The cubic root of 1171226370 is about 1054.0962799131.

The spelling of 1171226370 in words is "one billion, one hundred seventy-one million, two hundred twenty-six thousand, three hundred seventy".