101487251 has 6 divisors (see below), whose sum is σ = 102186756. Its totient is φ = 100792500.

The previous prime is 101487193. The next prime is 101487299. The reversal of 101487251 is 152784101.

It is not a de Polignac number, because 101487251 - 2¹⁸ = 101225107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101487851) 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 5 ways as a sum of consecutive naturals, for example, 20576 + ... + 25026.

It is an arithmetic number, because the mean of its divisors is an integer number (17031126).

Almost surely, 2^101487251 is an apocalyptic number.

101487251 is a deficient number, since it is larger than the sum of its proper divisors (699505).

101487251 is an frugal number, since it uses more digits than its factorization.

101487251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4753 (or 4602 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 101487251 is about 10074.0880976890. The cubic root of 101487251 is about 466.4486383450.

The spelling of 101487251 in words is "one hundred one million, four hundred eighty-seven thousand, two hundred fifty-one".