1048153391 has 4 divisors (see below), whose sum is σ = 1048248312. Its totient is φ = 1048058472.

The previous prime is 1048153367. The next prime is 1048153399. The reversal of 1048153391 is 1933518401.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1933518401 = 137 ⋅14113273.

It is a cyclic number.

It is not a de Polignac number, because 1048153391 - 2²² = 1043959087 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 (1048153399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28325 + ... + 53838.

It is an arithmetic number, because the mean of its divisors is an integer number (262062078).

Almost surely, 2^1048153391 is an apocalyptic number.

1048153391 is a deficient number, since it is larger than the sum of its proper divisors (94921).

1048153391 is an equidigital number, since it uses as much as digits as its factorization.

1048153391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94920.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 1048153391 is about 32375.1971577008. The cubic root of 1048153391 is about 1015.8001701436.

The spelling of 1048153391 in words is "one billion, forty-eight million, one hundred fifty-three thousand, three hundred ninety-one".