1146821492 has 24 divisors (see below), whose sum is σ = 2095396800. Its totient is φ = 548165376.

The previous prime is 1146821483. The next prime is 1146821521. The reversal of 1146821492 is 2941286411.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275684 + ... + 279812.

It is an arithmetic number, because the mean of its divisors is an integer number (87308200).

Almost surely, 2^1146821492 is an apocalyptic number.

It is an amenable number.

1146821492 is a deficient number, since it is larger than the sum of its proper divisors (948575308).

1146821492 is a wasteful number, since it uses less digits than its factorization.

1146821492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7175 (or 7173 counting only the distinct ones).

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

The square root of 1146821492 is about 33864.7529446178. The cubic root of 1146821492 is about 1046.7234191485.

The spelling of 1146821492 in words is "one billion, one hundred forty-six million, eight hundred twenty-one thousand, four hundred ninety-two".