101151601 has 4 divisors (see below), whose sum is σ = 102153204. Its totient is φ = 100150000.

The previous prime is 101151587. The next prime is 101151607. The reversal of 101151601 is 106151101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59213025 + 41938576 = 7695^2 + 6476^2 .

It is a cyclic number.

It is not a de Polignac number, because 101151601 - 2¹³ = 101143409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101151607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500650 + ... + 500851.

It is an arithmetic number, because the mean of its divisors is an integer number (25538301).

Almost surely, 2^101151601 is an apocalyptic number.

It is an amenable number.

101151601 is a deficient number, since it is larger than the sum of its proper divisors (1001603).

101151601 is a wasteful number, since it uses less digits than its factorization.

101151601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001602.

The product of its (nonzero) digits is 30, while the sum is 16.

The square root of 101151601 is about 10057.4152245992. The cubic root of 101151601 is about 465.9338400060.

The spelling of 101151601 in words is "one hundred one million, one hundred fifty-one thousand, six hundred one".