1146605421 has 16 divisors (see below), whose sum is σ = 1655934336. Its totient is φ = 701520576.

The previous prime is 1146605417. The next prime is 1146605431. The reversal of 1146605421 is 1245066411.

It is not a de Polignac number, because 1146605421 - 2² = 1146605417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146605431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78225 + ... + 91718.

It is an arithmetic number, because the mean of its divisors is an integer number (103495896).

Almost surely, 2^1146605421 is an apocalyptic number.

It is an amenable number.

1146605421 is a deficient number, since it is larger than the sum of its proper divisors (509328915).

1146605421 is a wasteful number, since it uses less digits than its factorization.

1146605421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170132.

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

The square root of 1146605421 is about 33861.5625894612. The cubic root of 1146605421 is about 1046.6576777979.

The spelling of 1146605421 in words is "one billion, one hundred forty-six million, six hundred five thousand, four hundred twenty-one".