1148742 has 40 divisors (see below), whose sum is σ = 2944656. Its totient is φ = 327888.

The previous prime is 1148737. The next prime is 1148747. The reversal of 1148742 is 2478411.

It is an interprime number because it is at equal distance from previous prime (1148737) and next prime (1148747).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148747) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 628 + ... + 1640.

2^1148742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1148742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1472328).

1148742 is an abundant number, since it is smaller than the sum of its proper divisors (1795914).

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

1148742 is a wasteful number, since it uses less digits than its factorization.

1148742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034 (or 1025 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 1148742 is about 1071.7938234567. The cubic root of 1148742 is about 104.7307386696.

The spelling of 1148742 in words is "one million, one hundred forty-eight thousand, seven hundred forty-two".