102256426 has 8 divisors (see below), whose sum is σ = 153442404. Its totient is φ = 51108960.

The previous prime is 102256421. The next prime is 102256433. The reversal of 102256426 is 624652201.

It can be written as a sum of positive squares in 2 ways, for example, as 84658401 + 17598025 = 9201^2 + 4195^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 102256394 and 102256403.

It is not an unprimeable number, because it can be changed into a prime (102256421) 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, 1675 + ... + 14398.

Almost surely, 2^102256426 is an apocalyptic number.

102256426 is a deficient number, since it is larger than the sum of its proper divisors (51185978).

102256426 is a wasteful number, since it uses less digits than its factorization.

102256426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19256.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 102256426 is about 10112.1919483364. The cubic root of 102256426 is about 467.6240832803.

The spelling of 102256426 in words is "one hundred two million, two hundred fifty-six thousand, four hundred twenty-six".