101142502 has 8 divisors (see below), whose sum is σ = 152250696. Its totient is φ = 50392272.

The previous prime is 101142479. The next prime is 101142521. The reversal of 101142502 is 205241101.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88783 + ... + 89914.

It is an arithmetic number, because the mean of its divisors is an integer number (19031337).

Almost surely, 2^101142502 is an apocalyptic number.

101142502 is a deficient number, since it is larger than the sum of its proper divisors (51108194).

101142502 is a wasteful number, since it uses less digits than its factorization.

101142502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178982.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 101142502 is about 10056.9628616198. The cubic root of 101142502 is about 465.9198687026.

Adding to 101142502 its reverse (205241101), we get a palindrome (306383603).

The spelling of 101142502 in words is "one hundred one million, one hundred forty-two thousand, five hundred two".