102113042 has 8 divisors (see below), whose sum is σ = 156905532. Its totient is φ = 49811200.

The previous prime is 102113029. The next prime is 102113047. The reversal of 102113042 is 240311201.

It can be written as a sum of positive squares in 2 ways, for example, as 100420441 + 1692601 = 10021^2 + 1301^2 .

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

It is not an unprimeable number, because it can be changed into a prime (102113047) 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, 622559 + ... + 622722.

Almost surely, 2^102113042 is an apocalyptic number.

102113042 is a deficient number, since it is larger than the sum of its proper divisors (54792490).

102113042 is a wasteful number, since it uses less digits than its factorization.

102113042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245324.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 102113042 is about 10105.0998015853. The cubic root of 102113042 is about 467.4054134854.

Adding to 102113042 its reverse (240311201), we get a palindrome (342424243).

The spelling of 102113042 in words is "one hundred two million, one hundred thirteen thousand, forty-two".