1113574921 has 8 divisors (see below), whose sum is σ = 1128254400. Its totient is φ = 1098970032.

The previous prime is 1113574879. The next prime is 1113574939. The reversal of 1113574921 is 1294753111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1113574921 - 2¹⁵ = 1113542153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113574951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11730 + ... + 48628.

It is an arithmetic number, because the mean of its divisors is an integer number (141031800).

Almost surely, 2^1113574921 is an apocalyptic number.

It is an amenable number.

1113574921 is a deficient number, since it is larger than the sum of its proper divisors (14679479).

1113574921 is a wasteful number, since it uses less digits than its factorization.

1113574921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37295.

The product of its digits is 7560, while the sum is 34.

The square root of 1113574921 is about 33370.2700168878. The cubic root of 1113574921 is about 1036.5091665043.

The spelling of 1113574921 in words is "one billion, one hundred thirteen million, five hundred seventy-four thousand, nine hundred twenty-one".