101621150 has 24 divisors (see below), whose sum is σ = 190896264. Its totient is φ = 40244000.

The previous prime is 101621147. The next prime is 101621159. The reversal of 101621150 is 51126101.

It is a hoax number, since the sum of its digits (17) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101621159) 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, 5012 + ... + 15111.

It is an arithmetic number, because the mean of its divisors is an integer number (7954011).

Almost surely, 2^101621150 is an apocalyptic number.

101621150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101621150 is a deficient number, since it is larger than the sum of its proper divisors (89275114).

101621150 is a wasteful number, since it uses less digits than its factorization.

101621150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20236 (or 20231 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 101621150 is about 10080.7316202744. The cubic root of 101621150 is about 466.6536872807.

Adding to 101621150 its reverse (51126101), we get a palindrome (152747251).

The spelling of 101621150 in words is "one hundred one million, six hundred twenty-one thousand, one hundred fifty".