101043954 has 72 divisors (see below), whose sum is σ = 254889180. Its totient is φ = 28807680.

The previous prime is 101043883. The next prime is 101043979. The reversal of 101043954 is 459340101.

It can be written as a sum of positive squares in 2 ways, for example, as 82355625 + 18688329 = 9075^2 + 4323^2 .

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 35662 + ... + 38390.

Almost surely, 2^101043954 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101043954, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127444590).

101043954 is an abundant number, since it is smaller than the sum of its proper divisors (153845226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101043954 is a wasteful number, since it uses less digits than its factorization.

101043954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776 (or 2762 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 101043954 is about 10052.0621764890. The cubic root of 101043954 is about 465.7684968232.

The spelling of 101043954 in words is "one hundred one million, forty-three thousand, nine hundred fifty-four".