1542268 has 48 divisors (see below), whose sum is σ = 3512320. Its totient is φ = 575424.

The previous prime is 1542259. The next prime is 1542283. The reversal of 1542268 is 8622451.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6805 + ... + 7027.

2^1542268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1542268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1756160).

1542268 is an abundant number, since it is smaller than the sum of its proper divisors (1970052).

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

1542268 is a wasteful number, since it uses less digits than its factorization.

1542268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 264 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 1542268 is about 1241.8808316421. The cubic root of 1542268 is about 115.5366974212.

The spelling of 1542268 in words is "one million, five hundred forty-two thousand, two hundred sixty-eight".