1523130 has 32 divisors (see below), whose sum is σ = 4178304. Its totient is φ = 348096.

The previous prime is 1523117. The next prime is 1523131. The reversal of 1523130 is 313251.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1523131) 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, 3417 + ... + 3836.

It is an arithmetic number, because the mean of its divisors is an integer number (130572).

2^1523130 is an apocalyptic number.

1523130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1523130 is an abundant number, since it is smaller than the sum of its proper divisors (2655174).

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

1523130 is a wasteful number, since it uses less digits than its factorization.

1523130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7270.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 1523130 is about 1234.1515304046. The cubic root of 1523130 is about 115.0568087315.

Adding to 1523130 its reverse (313251), we get a palindrome (1836381).

It can be divided in two parts, 1523 and 130, that added together give a triangular number (1653 = T₅₇).

The spelling of 1523130 in words is "one million, five hundred twenty-three thousand, one hundred thirty".