102066542 has 8 divisors (see below), whose sum is σ = 155609832. Its totient is φ = 50196600.

The previous prime is 102066541. The next prime is 102066553. The reversal of 102066542 is 245660201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102066541) 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, 418184 + ... + 418427.

It is an arithmetic number, because the mean of its divisors is an integer number (19451229).

Almost surely, 2^102066542 is an apocalyptic number.

102066542 is a deficient number, since it is larger than the sum of its proper divisors (53543290).

102066542 is an equidigital number, since it uses as much as digits as its factorization.

102066542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836674.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 102066542 is about 10102.7987211465. The cubic root of 102066542 is about 467.3344540492.

The spelling of 102066542 in words is "one hundred two million, sixty-six thousand, five hundred forty-two".