1148172 has 24 divisors (see below), whose sum is σ = 2700096. Its totient is φ = 379728.

The previous prime is 1148171. The next prime is 1148177. The reversal of 1148172 is 2718411.

It is not an unprimeable number, because it can be changed into a prime (1148171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1663 + ... + 2249.

It is an arithmetic number, because the mean of its divisors is an integer number (112504).

2^1148172 is an apocalyptic number.

1148172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1148172 is an abundant number, since it is smaller than the sum of its proper divisors (1551924).

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

1148172 is a wasteful number, since it uses less digits than its factorization.

1148172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757 (or 755 counting only the distinct ones).

The product of its digits is 448, while the sum is 24.

The square root of 1148172 is about 1071.5278811118. The cubic root of 1148172 is about 104.7134135152.

The spelling of 1148172 in words is "one million, one hundred forty-eight thousand, one hundred seventy-two".