101230042 has 8 divisors (see below), whose sum is σ = 152684532. Its totient is φ = 50335200.

The previous prime is 101230021. The next prime is 101230067. The reversal of 101230042 is 240032101.

It can be written as a sum of positive squares in 2 ways, for example, as 69205761 + 32024281 = 8319^2 + 5659^2 .

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

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, 139459 + ... + 140182.

Almost surely, 2^101230042 is an apocalyptic number.

101230042 is a deficient number, since it is larger than the sum of its proper divisors (51454490).

101230042 is a wasteful number, since it uses less digits than its factorization.

101230042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279824.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 101230042 is about 10061.3141288800. The cubic root of 101230042 is about 466.0542496109.

Adding to 101230042 its reverse (240032101), we get a palindrome (341262143).

The spelling of 101230042 in words is "one hundred one million, two hundred thirty thousand, forty-two".