101264247 has 24 divisors (see below), whose sum is σ = 169528320. Its totient is φ = 57047760.

The previous prime is 101264231. The next prime is 101264263. The reversal of 101264247 is 742462101.

101264247 is a `hidden beast` number, since 1 + 0 + 12 + 642 + 4 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (101264231) and next prime (101264263).

It is not a de Polignac number, because 101264247 - 2⁴ = 101264231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101264247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101264287) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6847 + ... + 15792.

It is an arithmetic number, because the mean of its divisors is an integer number (7063680).

Almost surely, 2^101264247 is an apocalyptic number.

101264247 is a deficient number, since it is larger than the sum of its proper divisors (68264073).

101264247 is a wasteful number, since it uses less digits than its factorization.

101264247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22723 (or 22720 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 101264247 is about 10063.0138129688. The cubic root of 101264247 is about 466.1067359747.

The spelling of 101264247 in words is "one hundred one million, two hundred sixty-four thousand, two hundred forty-seven".