101261541 has 4 divisors (see below), whose sum is σ = 135015392. Its totient is φ = 67507692.

The previous prime is 101261491. The next prime is 101261543. The reversal of 101261541 is 145162101.

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.

It is not a de Polignac number, because 101261541 - 2⁶ = 101261477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101261543) 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, 16876921 + ... + 16876926.

It is an arithmetic number, because the mean of its divisors is an integer number (33753848).

Almost surely, 2^101261541 is an apocalyptic number.

It is an amenable number.

101261541 is a deficient number, since it is larger than the sum of its proper divisors (33753851).

101261541 is an equidigital number, since it uses as much as digits as its factorization.

101261541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33753850.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 101261541 is about 10062.8793593086. The cubic root of 101261541 is about 466.1025841439.

The spelling of 101261541 in words is "one hundred one million, two hundred sixty-one thousand, five hundred forty-one".