101602121 has 4 divisors (see below), whose sum is σ = 101630100. Its totient is φ = 101574144.

The previous prime is 101602117. The next prime is 101602147. The reversal of 101602121 is 121206101.

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 46308025 + 55294096 = 6805^2 + 7436^2 .

It is a cyclic number.

It is not a de Polignac number, because 101602121 - 2² = 101602117 is a prime.

It is a super-3 number, since 3×101602121³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101602096 and 101602105.

It is not an unprimeable number, because it can be changed into a prime (101602181) 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, 7556 + ... + 16133.

It is an arithmetic number, because the mean of its divisors is an integer number (25407525).

Almost surely, 2^101602121 is an apocalyptic number.

It is an amenable number.

101602121 is a deficient number, since it is larger than the sum of its proper divisors (27979).

101602121 is an equidigital number, since it uses as much as digits as its factorization.

101602121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27978.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 101602121 is about 10079.7877457812. The cubic root of 101602121 is about 466.6245578218.

Adding to 101602121 its reverse (121206101), we get a palindrome (222808222).

The spelling of 101602121 in words is "one hundred one million, six hundred two thousand, one hundred twenty-one".