1542125 has 24 divisors (see below), whose sum is σ = 2112552. Its totient is φ = 1123200.

The previous prime is 1542119. The next prime is 1542131. The reversal of 1542125 is 5212451.

It is an interprime number because it is at equal distance from previous prime (1542119) and next prime (1542131).

It can be written as a sum of positive squares in 12 ways, for example, as 1471369 + 70756 = 1213^2 + 266^2 .

It is not a de Polignac number, because 1542125 - 2¹² = 1538029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1542097 and 1542106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21089 + ... + 21161.

It is an arithmetic number, because the mean of its divisors is an integer number (88023).

2^1542125 is an apocalyptic number.

It is an amenable number.

1542125 is a deficient number, since it is larger than the sum of its proper divisors (570427).

1542125 is an equidigital number, since it uses as much as digits as its factorization.

1542125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 91 counting only the distinct ones).

The product of its digits is 400, while the sum is 20.

The square root of 1542125 is about 1241.8232563453. The cubic root of 1542125 is about 115.5331264339.

Adding to 1542125 its reverse (5212451), we get a palindrome (6754576).

The spelling of 1542125 in words is "one million, five hundred forty-two thousand, one hundred twenty-five".