1229130 has 48 divisors (see below), whose sum is σ = 3654144. Its totient is φ = 280800.

The previous prime is 1229113. The next prime is 1229131. The reversal of 1229130 is 319221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1229131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 346 + ... + 1605.

It is an arithmetic number, because the mean of its divisors is an integer number (76128).

2^1229130 is an apocalyptic number.

1229130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1229130 is an abundant number, since it is smaller than the sum of its proper divisors (2425014).

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

1229130 is a wasteful number, since it uses less digits than its factorization.

1229130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971 (or 1968 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1229130 is about 1108.6613549682. The cubic root of 1229130 is about 107.1188593873.

Subtracting from 1229130 its reverse (319221), we obtain a palindrome (909909).

It can be divided in two parts, 12291 and 30, that added together give a palindrome (12321).

The spelling of 1229130 in words is "one million, two hundred twenty-nine thousand, one hundred thirty".