102030542 has 8 divisors (see below), whose sum is σ = 153642096. Its totient is φ = 50816512.

The previous prime is 102030541. The next prime is 102030559. The reversal of 102030542 is 245030201.

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

It is a self number, because there is not a number n which added to its sum of digits gives 102030542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102030541) 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, 98738 + ... + 99765.

It is an arithmetic number, because the mean of its divisors is an integer number (19205262).

Almost surely, 2^102030542 is an apocalyptic number.

102030542 is a deficient number, since it is larger than the sum of its proper divisors (51611554).

102030542 is a wasteful number, since it uses less digits than its factorization.

102030542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198762.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 102030542 is about 10101.0168795028. The cubic root of 102030542 is about 467.2795029085.

Adding to 102030542 its reverse (245030201), we get a palindrome (347060743).

The spelling of 102030542 in words is "one hundred two million, thirty thousand, five hundred forty-two".