102261132 has 36 divisors (see below), whose sum is σ = 262736656. Its totient is φ = 33527520.

The previous prime is 102261127. The next prime is 102261139. The reversal of 102261132 is 231162201.

102261132 is a `hidden beast` number, since 1 + 0 + 22 + 611 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (102261139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21088 + ... + 25479.

Almost surely, 2^102261132 is an apocalyptic number.

102261132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102261132 is an abundant number, since it is smaller than the sum of its proper divisors (160475524).

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

102261132 is a wasteful number, since it uses less digits than its factorization.

102261132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46638 (or 46633 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 102261132 is about 10112.4246350715. The cubic root of 102261132 is about 467.6312567665.

The spelling of 102261132 in words is "one hundred two million, two hundred sixty-one thousand, one hundred thirty-two".