101239442 has 8 divisors (see below), whose sum is σ = 152126832. Its totient is φ = 50530500.

The previous prime is 101239433. The next prime is 101239469. The reversal of 101239442 is 244932101.

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, 43184 + ... + 45467.

It is an arithmetic number, because the mean of its divisors is an integer number (19015854).

Almost surely, 2^101239442 is an apocalyptic number.

101239442 is a deficient number, since it is larger than the sum of its proper divisors (50887390).

101239442 is an equidigital number, since it uses as much as digits as its factorization.

101239442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89224.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 101239442 is about 10061.7812538337. The cubic root of 101239442 is about 466.0686747567.

The spelling of 101239442 in words is "one hundred one million, two hundred thirty-nine thousand, four hundred forty-two".