101261148 has 12 divisors (see below), whose sum is σ = 236276040. Its totient is φ = 33753712.

The previous prime is 101261141. The next prime is 101261161. The reversal of 101261148 is 841162101.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101261141) 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, 4219203 + ... + 4219226.

It is an arithmetic number, because the mean of its divisors is an integer number (19689670).

Almost surely, 2^101261148 is an apocalyptic number.

It is an amenable number.

101261148 is an abundant number, since it is smaller than the sum of its proper divisors (135014892).

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

101261148 is a wasteful number, since it uses less digits than its factorization.

101261148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8438436 (or 8438434 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 101261148 is about 10062.8598320756. The cubic root of 101261148 is about 466.1019811557.

The spelling of 101261148 in words is "one hundred one million, two hundred sixty-one thousand, one hundred forty-eight".