101054661 has 4 divisors (see below), whose sum is σ = 134739552. Its totient is φ = 67369772.

The previous prime is 101054651. The next prime is 101054671. The reversal of 101054661 is 166450101.

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: 166450101 = 3 ⋅55483367.

It is an interprime number because it is at equal distance from previous prime (101054651) and next prime (101054671).

It is a cyclic number.

It is not a de Polignac number, because 101054661 - 2¹⁴ = 101038277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101054651) 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, 16842441 + ... + 16842446.

It is an arithmetic number, because the mean of its divisors is an integer number (33684888).

Almost surely, 2^101054661 is an apocalyptic number.

It is an amenable number.

101054661 is a deficient number, since it is larger than the sum of its proper divisors (33684891).

101054661 is an equidigital number, since it uses as much as digits as its factorization.

101054661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33684890.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 101054661 is about 10052.5947396680. The cubic root of 101054661 is about 465.7849477733.

The spelling of 101054661 in words is "one hundred one million, fifty-four thousand, six hundred sixty-one".