1148521 has 8 divisors (see below), whose sum is σ = 1260864. Its totient is φ = 1037520.

The previous prime is 1148513. The next prime is 1148527. The reversal of 1148521 is 1258411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1148521 - 2³ = 1148513 is a prime.

1148521 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1148492 and 1148501.

It is not an unprimeable number, because it can be changed into a prime (1148527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2695 + ... + 3091.

It is an arithmetic number, because the mean of its divisors is an integer number (157608).

2^1148521 is an apocalyptic number.

1148521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1148521 is a deficient number, since it is larger than the sum of its proper divisors (112343).

1148521 is a wasteful number, since it uses less digits than its factorization.

1148521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671.

The product of its digits is 320, while the sum is 22.

The square root of 1148521 is about 1071.6907203107. The cubic root of 1148521 is about 104.7240220533.

The spelling of 1148521 in words is "one million, one hundred forty-eight thousand, five hundred twenty-one".