1229148 has 48 divisors (see below), whose sum is σ = 3360000. Its totient is φ = 387504.

The previous prime is 1229141. The next prime is 1229149. The reversal of 1229148 is 8419221.

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 (1229141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1753 + ... + 2351.

It is an arithmetic number, because the mean of its divisors is an integer number (70000).

2^1229148 is an apocalyptic number.

1229148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1229148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1680000).

1229148 is an abundant number, since it is smaller than the sum of its proper divisors (2130852).

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

1229148 is a wasteful number, since it uses less digits than its factorization.

1229148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631 (or 623 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 1229148 is about 1108.6694728367. The cubic root of 1229148 is about 107.1193822856.

The spelling of 1229148 in words is "one million, two hundred twenty-nine thousand, one hundred forty-eight".