101397732 has 24 divisors (see below), whose sum is σ = 238894656. Its totient is φ = 33470688.

The previous prime is 101397721. The next prime is 101397739. The reversal of 101397732 is 237793101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101397693 and 101397702.

It is not an unprimeable number, because it can be changed into a prime (101397739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39783 + ... + 42254.

It is an arithmetic number, because the mean of its divisors is an integer number (9953944).

Almost surely, 2^101397732 is an apocalyptic number.

101397732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101397732 is an abundant number, since it is smaller than the sum of its proper divisors (137496924).

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

101397732 is a wasteful number, since it uses less digits than its factorization.

101397732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82147 (or 82145 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 33.

The square root of 101397732 is about 10069.6440850707. The cubic root of 101397732 is about 466.3114510020.

It can be divided in two parts, 10139 and 7732, that added together give a palindrome (17871).

The spelling of 101397732 in words is "one hundred one million, three hundred ninety-seven thousand, seven hundred thirty-two".