102442051 has 8 divisors (see below), whose sum is σ = 108568944. Its totient is φ = 96326400.

The previous prime is 102442033. The next prime is 102442061. The reversal of 102442051 is 150244201.

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 102442051 - 2⁵ = 102442019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102442061) 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 in 7 ways as a sum of consecutive naturals, for example, 22591 + ... + 26743.

It is an arithmetic number, because the mean of its divisors is an integer number (13571118).

Almost surely, 2^102442051 is an apocalyptic number.

102442051 is a deficient number, since it is larger than the sum of its proper divisors (6126893).

102442051 is a wasteful number, since it uses less digits than its factorization.

102442051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5621.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 102442051 is about 10121.3660639264. The cubic root of 102442051 is about 467.9068699071.

Adding to 102442051 its reverse (150244201), we get a palindrome (252686252).

The spelling of 102442051 in words is "one hundred two million, four hundred forty-two thousand, fifty-one".