102401827 has 4 divisors (see below), whose sum is σ = 111711096. Its totient is φ = 93092560.

The previous prime is 102401749. The next prime is 102401839. The reversal of 102401827 is 728104201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 102401827 - 2¹¹ = 102399779 is a prime.

It is a super-2 number, since 2×102401827² = 20972268345875858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102401867) 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, 4654618 + ... + 4654639.

It is an arithmetic number, because the mean of its divisors is an integer number (27927774).

Almost surely, 2^102401827 is an apocalyptic number.

102401827 is a deficient number, since it is larger than the sum of its proper divisors (9309269).

102401827 is an equidigital number, since it uses as much as digits as its factorization.

102401827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9309268.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 102401827 is about 10119.3787852812. The cubic root of 102401827 is about 467.8456204831.

The spelling of 102401827 in words is "one hundred two million, four hundred one thousand, eight hundred twenty-seven".