1325154124 has 48 divisors (see below), whose sum is σ = 2706032448. Its totient is φ = 556028928.

The previous prime is 1325154119. The next prime is 1325154133. The reversal of 1325154124 is 4214515231.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 1325154092 and 1325154101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1390032 + ... + 1390984.

It is an arithmetic number, because the mean of its divisors is an integer number (56375676).

Almost surely, 2^1325154124 is an apocalyptic number.

1325154124 is a gapful number since it is divisible by the number (14) 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 1325154124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1353016224).

1325154124 is an abundant number, since it is smaller than the sum of its proper divisors (1380878324).

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

1325154124 is a wasteful number, since it uses less digits than its factorization.

1325154124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954 (or 1952 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 1325154124 is about 36402.6664407980. Note that the first 3 decimals coincide. The cubic root of 1325154124 is about 1098.3872023447.

Adding to 1325154124 its reverse (4214515231), we get a palindrome (5539669355).

The spelling of 1325154124 in words is "one billion, three hundred twenty-five million, one hundred fifty-four thousand, one hundred twenty-four".