100542602 has 8 divisors (see below), whose sum is σ = 151262436. Its totient is φ = 50121792.

The previous prime is 100542601. The next prime is 100542647. The reversal of 100542602 is 206245001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 98982601 + 1560001 = 9949^2 + 1249^2 .

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 (100542601) 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, 73913 + ... + 75260.

Almost surely, 2^100542602 is an apocalyptic number.

100542602 is a deficient number, since it is larger than the sum of its proper divisors (50719834).

100542602 is a wasteful number, since it uses less digits than its factorization.

100542602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149512.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 100542602 is about 10027.0933973909. The cubic root of 100542602 is about 464.9968813141.

Adding to 100542602 its reverse (206245001), we get a palindrome (306787603).

The spelling of 100542602 in words is "one hundred million, five hundred forty-two thousand, six hundred two".