10101906 has 24 divisors (see below), whose sum is σ = 22302540. Its totient is φ = 3303456.

The previous prime is 10101887. The next prime is 10101907. The reversal of 10101906 is 60910101.

It can be written as a sum of positive squares in 2 ways, for example, as 10017225 + 84681 = 3165^2 + 291^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10101907) 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, 4341 + ... + 6248.

Almost surely, 2^10101906 is an apocalyptic number.

10101906 is an abundant number, since it is smaller than the sum of its proper divisors (12200634).

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

10101906 is a wasteful number, since it uses less digits than its factorization.

10101906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10650 (or 10647 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 10101906 is about 3178.3495717117. The cubic root of 10101906 is about 216.1728297825.

It can be divided in two parts, 1010 and 1906, that added together give a square (2916 = 54²).

The spelling of 10101906 in words is "ten million, one hundred one thousand, nine hundred six".