101275457 has 2 divisors, whose sum is σ = 101275458. Its totient is φ = 101275456.

The previous prime is 101275451. The next prime is 101275483. The reversal of 101275457 is 754572101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92179201 + 9096256 = 9601^2 + 3016^2 .

It is an emirp because it is prime and its reverse (754572101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101275457 - 2¹⁶ = 101209921 is a prime.

It is equal to p_5830664 and since 101275457 and 5830664 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (101275451) 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 as a sum of consecutive naturals, namely, 50637728 + 50637729.

It is an arithmetic number, because the mean of its divisors is an integer number (50637729).

Almost surely, 2^101275457 is an apocalyptic number.

It is an amenable number.

101275457 is a deficient number, since it is larger than the sum of its proper divisors (1).

101275457 is an equidigital number, since it uses as much as digits as its factorization.

101275457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 101275457 is about 10063.5707877473. The cubic root of 101275457 is about 466.1239347521.

The spelling of 101275457 in words is "one hundred one million, two hundred seventy-five thousand, four hundred fifty-seven".