101272530 has 16 divisors (see below), whose sum is σ = 243054144. Its totient is φ = 27006000.

The previous prime is 101272517. The next prime is 101272531. The reversal of 101272530 is 35272101.

It is a super-2 number, since 2×101272530² = 20512250665201800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101272497 and 101272506.

It is not an unprimeable number, because it can be changed into a prime (101272531) 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, 1687846 + ... + 1687905.

It is an arithmetic number, because the mean of its divisors is an integer number (15190884).

Almost surely, 2^101272530 is an apocalyptic number.

101272530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101272530 is an abundant number, since it is smaller than the sum of its proper divisors (141781614).

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

101272530 is a wasteful number, since it uses less digits than its factorization.

101272530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3375761.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 101272530 is about 10063.4253611780. The cubic root of 101272530 is about 466.1194441679.

The spelling of 101272530 in words is "one hundred one million, two hundred seventy-two thousand, five hundred thirty".