101132420 has 12 divisors (see below), whose sum is σ = 212378124. Its totient is φ = 40452960.

The previous prime is 101132419. The next prime is 101132443. The reversal of 101132420 is 24231101.

It can be written as a sum of positive squares in 2 ways, for example, as 64384576 + 36747844 = 8024^2 + 6062^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101132395 and 101132404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2528291 + ... + 2528330.

It is an arithmetic number, because the mean of its divisors is an integer number (17698177).

Almost surely, 2^101132420 is an apocalyptic number.

101132420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101132420 is an abundant number, since it is smaller than the sum of its proper divisors (111245704).

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

101132420 is a wasteful number, since it uses less digits than its factorization.

101132420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5056630 (or 5056628 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 101132420 is about 10056.4616043616. The cubic root of 101132420 is about 465.9043870468.

Adding to 101132420 its reverse (24231101), we get a palindrome (125363521).

The spelling of 101132420 in words is "one hundred one million, one hundred thirty-two thousand, four hundred twenty".