1542020 has 12 divisors (see below), whose sum is σ = 3238284. Its totient is φ = 616800.

The previous prime is 1542007. The next prime is 1542029. The reversal of 1542020 is 202451.

It can be written as a sum of positive squares in 2 ways, for example, as 1012036 + 529984 = 1006^2 + 728^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1541986 and 1542004.

It is not an unprimeable number, because it can be changed into a prime (1542029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38531 + ... + 38570.

It is an arithmetic number, because the mean of its divisors is an integer number (269857).

2^1542020 is an apocalyptic number.

1542020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1542020 is an abundant number, since it is smaller than the sum of its proper divisors (1696264).

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

1542020 is a wasteful number, since it uses less digits than its factorization.

1542020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77110 (or 77108 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 1542020 is about 1241.7809790780. The cubic root of 1542020 is about 115.5305042397.

Adding to 1542020 its reverse (202451), we get a palindrome (1744471).

The spelling of 1542020 in words is "one million, five hundred forty-two thousand, twenty".