102442707 has 12 divisors (see below), whose sum is σ = 148250440. Its totient is φ = 68167008.

The previous prime is 102442687. The next prime is 102442757. The reversal of 102442707 is 707244201.

It is a happy number.

It is not a de Polignac number, because 102442707 - 2¹⁰ = 102441683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102442757) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5482 + ... + 15327.

Almost surely, 2^102442707 is an apocalyptic number.

102442707 is a deficient number, since it is larger than the sum of its proper divisors (45807733).

102442707 is a wasteful number, since it uses less digits than its factorization.

102442707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21362 (or 21359 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 102442707 is about 10121.3984705672. The cubic root of 102442707 is about 467.9078686710.

Adding to 102442707 its reverse (707244201), we get a palindrome (809686908).

The spelling of 102442707 in words is "one hundred two million, four hundred forty-two thousand, seven hundred seven".