102620253 has 8 divisors (see below), whose sum is σ = 140164416. Its totient is φ = 66744800.

The previous prime is 102620251. The next prime is 102620257. The reversal of 102620253 is 352026201.

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

It is a cyclic number.

It is not a de Polignac number, because 102620253 - 2¹ = 102620251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102620251) 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, 417033 + ... + 417278.

It is an arithmetic number, because the mean of its divisors is an integer number (17520552).

Almost surely, 2^102620253 is an apocalyptic number.

It is an amenable number.

102620253 is a deficient number, since it is larger than the sum of its proper divisors (37544163).

102620253 is an equidigital number, since it uses as much as digits as its factorization.

102620253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834355.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 102620253 is about 10130.1654971674. The cubic root of 102620253 is about 468.1780269081.

Adding to 102620253 its reverse (352026201), we get a palindrome (454646454).

The spelling of 102620253 in words is "one hundred two million, six hundred twenty thousand, two hundred fifty-three".