101273493 has 4 divisors (see below), whose sum is σ = 135031328. Its totient is φ = 67515660.

The previous prime is 101273489. The next prime is 101273503. The reversal of 101273493 is 394372101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 394372101 = 3 ⋅131457367.

It is not a de Polignac number, because 101273493 - 2² = 101273489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101273493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101273413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16878913 + ... + 16878918.

It is an arithmetic number, because the mean of its divisors is an integer number (33757832).

Almost surely, 2^101273493 is an apocalyptic number.

It is an amenable number.

101273493 is a deficient number, since it is larger than the sum of its proper divisors (33757835).

101273493 is an equidigital number, since it uses as much as digits as its factorization.

101273493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33757834.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 101273493 is about 10063.4732075959. The cubic root of 101273493 is about 466.1209216057.

The spelling of 101273493 in words is "one hundred one million, two hundred seventy-three thousand, four hundred ninety-three".