102052291 has 8 divisors (see below), whose sum is σ = 111412224. Its totient is φ = 92706120.

The previous prime is 102052277. The next prime is 102052303. The reversal of 102052291 is 192250201.

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 102052291 - 2¹⁷ = 101921219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102056291) 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, 17806 + ... + 22828.

It is an arithmetic number, because the mean of its divisors is an integer number (13926528).

Almost surely, 2^102052291 is an apocalyptic number.

102052291 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102052291 is a deficient number, since it is larger than the sum of its proper divisors (9359933).

102052291 is a wasteful number, since it uses less digits than its factorization.

102052291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6881.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 102052291 is about 10102.0933969153. The cubic root of 102052291 is about 467.3127025749.

The spelling of 102052291 in words is "one hundred two million, fifty-two thousand, two hundred ninety-one".