101142030 has 32 divisors (see below), whose sum is σ = 264809088. Its totient is φ = 24519200.

The previous prime is 101142029. The next prime is 101142037. The reversal of 101142030 is 30241101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101141997 and 101142015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101142037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152916 + ... + 153575.

It is an arithmetic number, because the mean of its divisors is an integer number (8275284).

Almost surely, 2^101142030 is an apocalyptic number.

101142030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101142030 is an abundant number, since it is smaller than the sum of its proper divisors (163667058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101142030 is a wasteful number, since it uses less digits than its factorization.

101142030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306512.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 101142030 is about 10056.9393952634. The cubic root of 101142030 is about 465.9191439347.

Adding to 101142030 its reverse (30241101), we get a palindrome (131383131).

The spelling of 101142030 in words is "one hundred one million, one hundred forty-two thousand, thirty".