102241402 has 4 divisors (see below), whose sum is σ = 153362106. Its totient is φ = 51120700.

The previous prime is 102241393. The next prime is 102241409. The reversal of 102241402 is 204142201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204142201 = 1733 ⋅117797.

It can be written as a sum of positive squares in only one way, i.e., 76930441 + 25310961 = 8771^2 + 5031^2 .

It is not an unprimeable number, because it can be changed into a prime (102241409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25560349 + ... + 25560352.

Almost surely, 2^102241402 is an apocalyptic number.

102241402 is a deficient number, since it is larger than the sum of its proper divisors (51120704).

102241402 is an equidigital number, since it uses as much as digits as its factorization.

102241402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51120703.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 102241402 is about 10111.4490554025. The cubic root of 102241402 is about 467.6011803078.

Adding to 102241402 its reverse (204142201), we get a palindrome (306383603).

It can be divided in two parts, 1022 and 41402, that added together give a palindrome (42424).

The spelling of 102241402 in words is "one hundred two million, two hundred forty-one thousand, four hundred two".