101291942 has 8 divisors (see below), whose sum is σ = 156839232. Its totient is φ = 49012200.

The previous prime is 101291923. The next prime is 101291947. The reversal of 101291942 is 249192101.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101291947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 816809 + ... + 816932.

It is an arithmetic number, because the mean of its divisors is an integer number (19604904).

Almost surely, 2^101291942 is an apocalyptic number.

101291942 is a deficient number, since it is larger than the sum of its proper divisors (55547290).

101291942 is a wasteful number, since it uses less digits than its factorization.

101291942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633774.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 101291942 is about 10064.3897976976. The cubic root of 101291942 is about 466.1492243152.

The spelling of 101291942 in words is "one hundred one million, two hundred ninety-one thousand, nine hundred forty-two".