102620162 has 4 divisors (see below), whose sum is σ = 153930246. Its totient is φ = 51310080.

The previous prime is 102620123. The next prime is 102620209. The reversal of 102620162 is 261026201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 261026201 = 211 ⋅1237091.

It can be written as a sum of positive squares in only one way, i.e., 96020401 + 6599761 = 9799^2 + 2569^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25655039 + ... + 25655042.

Almost surely, 2^102620162 is an apocalyptic number.

102620162 is a deficient number, since it is larger than the sum of its proper divisors (51310084).

102620162 is an equidigital number, since it uses as much as digits as its factorization.

102620162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51310083.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 102620162 is about 10130.1610056307. The cubic root of 102620162 is about 468.1778885202.

Adding to 102620162 its reverse (261026201), we get a palindrome (363646363).

The spelling of 102620162 in words is "one hundred two million, six hundred twenty thousand, one hundred sixty-two".