1542180 has 24 divisors (see below), whose sum is σ = 4318272. Its totient is φ = 411232.

The previous prime is 1542179. The next prime is 1542187. The reversal of 1542180 is 812451.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1542187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12792 + ... + 12911.

It is an arithmetic number, because the mean of its divisors is an integer number (179928).

2^1542180 is an apocalyptic number.

1542180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1542180 is an abundant number, since it is smaller than the sum of its proper divisors (2776092).

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

1542180 is a wasteful number, since it uses less digits than its factorization.

1542180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25715 (or 25713 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1542180 is about 1241.8454010061. The cubic root of 1542180 is about 115.5344999167.

It can be divided in two parts, 15 and 42180, that added together give a triangular number (42195 = T₂₉₀).

The spelling of 1542180 in words is "one million, five hundred forty-two thousand, one hundred eighty".