101240906 has 8 divisors (see below), whose sum is σ = 163543044. Its totient is φ = 46726560.

The previous prime is 101240897. The next prime is 101240921. The reversal of 101240906 is 609042101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 99181681 + 2059225 = 9959^2 + 1435^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1946915 + ... + 1946966.

Almost surely, 2^101240906 is an apocalyptic number.

101240906 is a deficient number, since it is larger than the sum of its proper divisors (62302138).

101240906 is a wasteful number, since it uses less digits than its factorization.

101240906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3893896.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 101240906 is about 10061.8540041088. The cubic root of 101240906 is about 466.0709213161.

The spelling of 101240906 in words is "one hundred one million, two hundred forty thousand, nine hundred six".