101940887 has 4 divisors (see below), whose sum is σ = 105456120. Its totient is φ = 98425656.

The previous prime is 101940869. The next prime is 101940907. The reversal of 101940887 is 788049101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 788049101 = 7 ⋅112578443.

It is a cyclic number.

It is not a de Polignac number, because 101940887 - 2¹⁶ = 101875351 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 101940887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101942887) 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, 1757573 + ... + 1757630.

It is an arithmetic number, because the mean of its divisors is an integer number (26364030).

Almost surely, 2^101940887 is an apocalyptic number.

101940887 is a deficient number, since it is larger than the sum of its proper divisors (3515233).

101940887 is an equidigital number, since it uses as much as digits as its factorization.

101940887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3515232.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 101940887 is about 10096.5779846441. The cubic root of 101940887 is about 467.1425954693.

Adding to 101940887 its reverse (788049101), we get a palindrome (889989988).

The spelling of 101940887 in words is "one hundred one million, nine hundred forty thousand, eight hundred eighty-seven".