101251488 has 48 divisors (see below), whose sum is σ = 286233696. Its totient is φ = 31153920.

The previous prime is 101251483. The next prime is 101251519. The reversal of 101251488 is 884152101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (101251483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39318 + ... + 41813.

It is an arithmetic number, because the mean of its divisors is an integer number (5963202).

Almost surely, 2^101251488 is an apocalyptic number.

It is an amenable number.

101251488 is an abundant number, since it is smaller than the sum of its proper divisors (184982208).

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

101251488 is a wasteful number, since it uses less digits than its factorization.

101251488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81157 (or 81149 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 30.

The square root of 101251488 is about 10062.3798377919. The cubic root of 101251488 is about 466.0871591224.

The spelling of 101251488 in words is "one hundred one million, two hundred fifty-one thousand, four hundred eighty-eight".