1121294648 has 16 divisors (see below), whose sum is σ = 2111692680. Its totient is φ = 558176608.

The previous prime is 1121294641. The next prime is 1121294677. The reversal of 1121294648 is 8464921211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121294641) 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, 306911 + ... + 310542.

Almost surely, 2^1121294648 is an apocalyptic number.

It is an amenable number.

1121294648 is a deficient number, since it is larger than the sum of its proper divisors (990398032).

1121294648 is a wasteful number, since it uses less digits than its factorization.

1121294648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617686 (or 617682 counting only the distinct ones).

The product of its digits is 27648, while the sum is 38.

The square root of 1121294648 is about 33485.7379790262. The cubic root of 1121294648 is about 1038.8988122467.

The spelling of 1121294648 in words is "one billion, one hundred twenty-one million, two hundred ninety-four thousand, six hundred forty-eight".