101140265 has 4 divisors (see below), whose sum is σ = 121368324. Its totient is φ = 80912208.

The previous prime is 101140261. The next prime is 101140283. The reversal of 101140265 is 562041101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62663056 + 38477209 = 7916^2 + 6203^2 .

It is a cyclic number.

It is not a de Polignac number, because 101140265 - 2² = 101140261 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101140261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10114022 + ... + 10114031.

It is an arithmetic number, because the mean of its divisors is an integer number (30342081).

Almost surely, 2^101140265 is an apocalyptic number.

It is an amenable number.

101140265 is a deficient number, since it is larger than the sum of its proper divisors (20228059).

101140265 is an equidigital number, since it uses as much as digits as its factorization.

101140265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20228058.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 101140265 is about 10056.8516445257. The cubic root of 101140265 is about 465.9164337126.

Adding to 101140265 its reverse (562041101), we get a palindrome (663181366).

The spelling of 101140265 in words is "one hundred one million, one hundred forty thousand, two hundred sixty-five".