102571087 has 4 divisors (see below), whose sum is σ = 104309640. Its totient is φ = 100832536.

The previous prime is 102571069. The next prime is 102571093. The reversal of 102571087 is 780175201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 780175201 = 13 ⋅60013477.

It is a cyclic number.

It is not a de Polignac number, because 102571087 - 2⁷ = 102570959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102571187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 869188 + ... + 869305.

It is an arithmetic number, because the mean of its divisors is an integer number (26077410).

Almost surely, 2^102571087 is an apocalyptic number.

102571087 is a deficient number, since it is larger than the sum of its proper divisors (1738553).

102571087 is an equidigital number, since it uses as much as digits as its factorization.

102571087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738552.

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 102571087 is about 10127.7384938593. The cubic root of 102571087 is about 468.1032459649.

The spelling of 102571087 in words is "one hundred two million, five hundred seventy-one thousand, eighty-seven".