101272330 has 16 divisors (see below), whose sum is σ = 187217640. Its totient is φ = 39413952.

The previous prime is 101272291. The next prime is 101272333. The reversal of 101272330 is 33272101.

It can be written as a sum of positive squares in 4 ways, for example, as 100460529 + 811801 = 10023^2 + 901^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101272298 and 101272307.

It is not an unprimeable number, because it can be changed into a prime (101272333) 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, 136485 + ... + 137224.

Almost surely, 2^101272330 is an apocalyptic number.

101272330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101272330 is a deficient number, since it is larger than the sum of its proper divisors (85945310).

101272330 is a wasteful number, since it uses less digits than its factorization.

101272330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273753.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 101272330 is about 10063.4154241987. The cubic root of 101272330 is about 466.1191373260.

The spelling of 101272330 in words is "one hundred one million, two hundred seventy-two thousand, three hundred thirty".