1146560421 has 8 divisors (see below), whose sum is σ = 1528904800. Its totient is φ = 764294832.

The previous prime is 1146560381. The next prime is 1146560447. The reversal of 1146560421 is 1240656411.

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

It is not a de Polignac number, because 1146560421 - 2⁶ = 1146560357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146560221) 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, 40851 + ... + 62943.

It is an arithmetic number, because the mean of its divisors is an integer number (191113100).

Almost surely, 2^1146560421 is an apocalyptic number.

It is an amenable number.

1146560421 is a deficient number, since it is larger than the sum of its proper divisors (382344379).

1146560421 is a wasteful number, since it uses less digits than its factorization.

1146560421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39395.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1146560421 is about 33860.8981127199. The cubic root of 1146560421 is about 1046.6439851446.

The spelling of 1146560421 in words is "one billion, one hundred forty-six million, five hundred sixty thousand, four hundred twenty-one".