1153921046 has 4 divisors (see below), whose sum is σ = 1730881572. Its totient is φ = 576960522.

The previous prime is 1153921037. The next prime is 1153921057. The reversal of 1153921046 is 6401293511.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 288480260 + ... + 288480263.

It is an arithmetic number, because the mean of its divisors is an integer number (432720393).

Almost surely, 2^1153921046 is an apocalyptic number.

1153921046 is a deficient number, since it is larger than the sum of its proper divisors (576960526).

1153921046 is an equidigital number, since it uses as much as digits as its factorization.

1153921046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576960525.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 1153921046 is about 33969.4133891064. The cubic root of 1153921046 is about 1048.8789383384.

The spelling of 1153921046 in words is "one billion, one hundred fifty-three million, nine hundred twenty-one thousand, forty-six".