102042562 has 8 divisors (see below), whose sum is σ = 155001600. Its totient is φ = 50375364.

The previous prime is 102042557. The next prime is 102042587. The reversal of 102042562 is 265240201.

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

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 3 ways as a sum of consecutive naturals, for example, 322762 + ... + 323077.

It is an arithmetic number, because the mean of its divisors is an integer number (19375200).

Almost surely, 2^102042562 is an apocalyptic number.

102042562 is a deficient number, since it is larger than the sum of its proper divisors (52959038).

102042562 is an equidigital number, since it uses as much as digits as its factorization.

102042562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645920.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 102042562 is about 10101.6118515809. The cubic root of 102042562 is about 467.2978519210.

Adding to 102042562 its reverse (265240201), we get a palindrome (367282763).

The spelling of 102042562 in words is "one hundred two million, forty-two thousand, five hundred sixty-two".