102602426 has 4 divisors (see below), whose sum is σ = 153903642. Its totient is φ = 51301212.

The previous prime is 102602389. The next prime is 102602453. The reversal of 102602426 is 624206201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 624206201 = 47 ⋅13280983.

It can be written as a sum of positive squares in only one way, i.e., 102111025 + 491401 = 10105^2 + 701^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25650605 + ... + 25650608.

Almost surely, 2^102602426 is an apocalyptic number.

102602426 is a deficient number, since it is larger than the sum of its proper divisors (51301216).

102602426 is an equidigital number, since it uses as much as digits as its factorization.

102602426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51301215.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 102602426 is about 10129.2855621707. The cubic root of 102602426 is about 468.1509149986.

Adding to 102602426 its reverse (624206201), we get a palindrome (726808627).

The spelling of 102602426 in words is "one hundred two million, six hundred two thousand, four hundred twenty-six".