101380072 has 8 divisors (see below), whose sum is σ = 190087650. Its totient is φ = 50690032.

The previous prime is 101380049. The next prime is 101380079. The reversal of 101380072 is 270083101.

It can be written as a sum of positive squares in only one way, i.e., 81613156 + 19766916 = 9034^2 + 4446^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (101380079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6336247 + ... + 6336262.

Almost surely, 2^101380072 is an apocalyptic number.

It is an amenable number.

101380072 is a deficient number, since it is larger than the sum of its proper divisors (88707578).

101380072 is a wasteful number, since it uses less digits than its factorization.

101380072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12672515 (or 12672511 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 101380072 is about 10068.7671539270. The cubic root of 101380072 is about 466.2843776208.

The spelling of 101380072 in words is "one hundred one million, three hundred eighty thousand, seventy-two".