101251266 has 32 divisors (see below), whose sum is σ = 215255040. Its totient is φ = 31659984.

The previous prime is 101251261. The next prime is 101251279. The reversal of 101251266 is 662152101.

It is not an unprimeable number, because it can be changed into a prime (101251261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7431 + ... + 16053.

It is an arithmetic number, because the mean of its divisors is an integer number (6726720).

Almost surely, 2^101251266 is an apocalyptic number.

101251266 is an abundant number, since it is smaller than the sum of its proper divisors (114003774).

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

101251266 is a wasteful number, since it uses less digits than its factorization.

101251266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8750.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 101251266 is about 10062.3688065982. The cubic root of 101251266 is about 466.0868184807.

The spelling of 101251266 in words is "one hundred one million, two hundred fifty-one thousand, two hundred sixty-six".