1121006456 has 8 divisors (see below), whose sum is σ = 2101887120. Its totient is φ = 560503224.

The previous prime is 1121006449. The next prime is 1121006483. The reversal of 1121006456 is 6546001211.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70062896 + ... + 70062911.

It is an arithmetic number, because the mean of its divisors is an integer number (262735890).

Almost surely, 2^1121006456 is an apocalyptic number.

It is an amenable number.

1121006456 is a deficient number, since it is larger than the sum of its proper divisors (980880664).

1121006456 is a wasteful number, since it uses less digits than its factorization.

1121006456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140125813 (or 140125809 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1121006456 is about 33481.4344973449. The cubic root of 1121006456 is about 1038.8097996691.

Adding to 1121006456 its reverse (6546001211), we get a palindrome (7667007667).

The spelling of 1121006456 in words is "one billion, one hundred twenty-one million, six thousand, four hundred fifty-six".