1148634 has 32 divisors (see below), whose sum is σ = 2592000. Its totient is φ = 376992.

The previous prime is 1148629. The next prime is 1148647. The reversal of 1148634 is 4368411.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1148598 and 1148607.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4687 + ... + 4925.

It is an arithmetic number, because the mean of its divisors is an integer number (81000).

2^1148634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1148634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1296000).

1148634 is an abundant number, since it is smaller than the sum of its proper divisors (1443366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1148634 is a wasteful number, since it uses less digits than its factorization.

1148634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339 (or 333 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 1148634 is about 1071.7434394481. The cubic root of 1148634 is about 104.7274564489.

The spelling of 1148634 in words is "one million, one hundred forty-eight thousand, six hundred thirty-four".