106887149 has 2 divisors, whose sum is σ = 106887150. Its totient is φ = 106887148.

The previous prime is 106887133. The next prime is 106887161. The reversal of 106887149 is 941788601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74476900 + 32410249 = 8630^2 + 5693^2 .

It is a cyclic number.

It is not a de Polignac number, because 106887149 - 2⁴ = 106887133 is a prime.

It is a super-2 number, since 2×106887149² = 22849725242696402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106887169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53443574 + 53443575.

It is an arithmetic number, because the mean of its divisors is an integer number (53443575).

Almost surely, 2^106887149 is an apocalyptic number.

It is an amenable number.

106887149 is a deficient number, since it is larger than the sum of its proper divisors (1).

106887149 is an equidigital number, since it uses as much as digits as its factorization.

106887149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 106887149 is about 10338.6241347676. The cubic root of 106887149 is about 474.5789791042.

The spelling of 106887149 in words is "one hundred six million, eight hundred eighty-seven thousand, one hundred forty-nine".