101612620 has 24 divisors (see below), whose sum is σ = 222665184. Its totient is φ = 38877696.

The previous prime is 101612617. The next prime is 101612629. The reversal of 101612620 is 26216101.

It is not an unprimeable number, because it can be changed into a prime (101612629) 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 7 ways as a sum of consecutive naturals, for example, 109989 + ... + 110908.

It is an arithmetic number, because the mean of its divisors is an integer number (9277716).

Almost surely, 2^101612620 is an apocalyptic number.

101612620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101612620 is an abundant number, since it is smaller than the sum of its proper divisors (121052564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101612620 is a wasteful number, since it uses less digits than its factorization.

101612620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220929 (or 220927 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 101612620 is about 10080.3085270244. The cubic root of 101612620 is about 466.6406300666.

Adding to 101612620 its reverse (26216101), we get a palindrome (127828721).

The spelling of 101612620 in words is "one hundred one million, six hundred twelve thousand, six hundred twenty".