1121862064 has 10 divisors (see below), whose sum is σ = 2173607780. Its totient is φ = 560931024.

The previous prime is 1121862047. The next prime is 1121862067. The reversal of 1121862064 is 4602681211.

It is not an unprimeable number, because it can be changed into a prime (1121862067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35058174 + ... + 35058205.

It is an arithmetic number, because the mean of its divisors is an integer number (217360778).

Almost surely, 2^1121862064 is an apocalyptic number.

It is an amenable number.

1121862064 is a deficient number, since it is larger than the sum of its proper divisors (1051745716).

1121862064 is an equidigital number, since it uses as much as digits as its factorization.

1121862064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70116387 (or 70116381 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 1121862064 is about 33494.2094099861. The cubic root of 1121862064 is about 1039.0740229294.

The spelling of 1121862064 in words is "one billion, one hundred twenty-one million, eight hundred sixty-two thousand, sixty-four".