1146821506 has 16 divisors (see below), whose sum is σ = 1738252224. Its totient is φ = 567416304.

The previous prime is 1146821483. The next prime is 1146821521. The reversal of 1146821506 is 6051286411.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231451 + ... + 236353.

It is an arithmetic number, because the mean of its divisors is an integer number (108640764).

Almost surely, 2^1146821506 is an apocalyptic number.

1146821506 is a deficient number, since it is larger than the sum of its proper divisors (591430718).

1146821506 is a wasteful number, since it uses less digits than its factorization.

1146821506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6105.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 1146821506 is about 33864.7531513224. The cubic root of 1146821506 is about 1046.7234234079.

The spelling of 1146821506 in words is "one billion, one hundred forty-six million, eight hundred twenty-one thousand, five hundred six".