102987601 has 2 divisors, whose sum is σ = 102987602. Its totient is φ = 102987600.

The previous prime is 102987589. The next prime is 102987617. The reversal of 102987601 is 106789201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97535376 + 5452225 = 9876^2 + 2335^2 .

It is a cyclic number.

It is not a de Polignac number, because 102987601 - 2⁵ = 102987569 is a prime.

It is not a weakly prime, because it can be changed into another prime (102187601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51493800 + 51493801.

It is an arithmetic number, because the mean of its divisors is an integer number (51493801).

Almost surely, 2^102987601 is an apocalyptic number.

It is an amenable number.

102987601 is a deficient number, since it is larger than the sum of its proper divisors (1).

102987601 is an equidigital number, since it uses as much as digits as its factorization.

102987601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 102987601 is about 10148.2806918216. The cubic root of 102987601 is about 468.7360046547.

The spelling of 102987601 in words is "one hundred two million, nine hundred eighty-seven thousand, six hundred one".