103066542 has 48 divisors (see below), whose sum is σ = 234213408. Its totient is φ = 32693760.

The previous prime is 103066541. The next prime is 103066547. The reversal of 103066542 is 245660301.

103066542 is a `hidden beast` number, since 1 + 0 + 3 + 0 + 6 + 654 + 2 = 666.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103066541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99258 + ... + 100290.

It is an arithmetic number, because the mean of its divisors is an integer number (4879446).

Almost surely, 2^103066542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103066542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117106704).

103066542 is an abundant number, since it is smaller than the sum of its proper divisors (131146866).

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

103066542 is a wasteful number, since it uses less digits than its factorization.

103066542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305 (or 1302 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 103066542 is about 10152.1693248291. The cubic root of 103066542 is about 468.8557376399.

The spelling of 103066542 in words is "one hundred three million, sixty-six thousand, five hundred forty-two".