101199950 has 24 divisors (see below), whose sum is σ = 189725952. Its totient is φ = 40158720.

The previous prime is 101199919. The next prime is 101199953. The reversal of 101199950 is 59991101.

It is a self number, because there is not a number n which added to its sum of digits gives 101199950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101199953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1619 + ... + 14318.

It is an arithmetic number, because the mean of its divisors is an integer number (7905248).

Almost surely, 2^101199950 is an apocalyptic number.

101199950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101199950 is a deficient number, since it is larger than the sum of its proper divisors (88526002).

101199950 is a wasteful number, since it uses less digits than its factorization.

101199950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16076 (or 16071 counting only the distinct ones).

The product of its (nonzero) digits is 3645, while the sum is 35.

The square root of 101199950 is about 10059.8185868335. The cubic root of 101199950 is about 466.0080647232.

The spelling of 101199950 in words is "one hundred one million, one hundred ninety-nine thousand, nine hundred fifty".