102071077 has 8 divisors (see below), whose sum is σ = 108371736. Its totient is φ = 95803392.

The previous prime is 102071071. The next prime is 102071087. The reversal of 102071077 is 770170201.

It can be written as a sum of positive squares in 4 ways, for example, as 32615521 + 69455556 = 5711^2 + 8334^2 .

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 102071077 - 2¹⁵ = 102038309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102071071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1708 + ... + 14389.

It is an arithmetic number, because the mean of its divisors is an integer number (13546467).

Almost surely, 2^102071077 is an apocalyptic number.

102071077 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

102071077 is a deficient number, since it is larger than the sum of its proper divisors (6300659).

102071077 is a wasteful number, since it uses less digits than its factorization.

102071077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16487.

The product of its (nonzero) digits is 686, while the sum is 25.

The square root of 102071077 is about 10103.0231614106. The cubic root of 102071077 is about 467.3413754501.

The spelling of 102071077 in words is "one hundred two million, seventy-one thousand, seventy-seven".