1027542 has 16 divisors (see below), whose sum is σ = 2105712. Its totient is φ = 334080.

The previous prime is 1027519. The next prime is 1027547. The reversal of 1027542 is 2457201.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1027547) 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, 1843 + ... + 2334.

It is an arithmetic number, because the mean of its divisors is an integer number (131607).

2^1027542 is an apocalyptic number.

1027542 is an abundant number, since it is smaller than the sum of its proper divisors (1078170).

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

1027542 is a wasteful number, since it uses less digits than its factorization.

1027542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4223.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 1027542 is about 1013.6774634962. The cubic root of 1027542 is about 100.9097648463.

The spelling of 1027542 in words is "one million, twenty-seven thousand, five hundred forty-two".