102620141 has 8 divisors (see below), whose sum is σ = 111609624. Its totient is φ = 93787200.

The previous prime is 102620123. The next prime is 102620209. The reversal of 102620141 is 141026201.

It can be written as a sum of positive squares in 4 ways, for example, as 2019241 + 100600900 = 1421^2 + 10030^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102620141 - 2¹⁰ = 102619117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102620101) 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, 37766 + ... + 40391.

It is an arithmetic number, because the mean of its divisors is an integer number (13951203).

Almost surely, 2^102620141 is an apocalyptic number.

It is an amenable number.

102620141 is a deficient number, since it is larger than the sum of its proper divisors (8989483).

102620141 is a wasteful number, since it uses less digits than its factorization.

102620141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78271.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 102620141 is about 10130.1599691219. The cubic root of 102620141 is about 468.1778565845.

Adding to 102620141 its reverse (141026201), we get a palindrome (243646342).

The spelling of 102620141 in words is "one hundred two million, six hundred twenty thousand, one hundred forty-one".