102427231 has 4 divisors (see below), whose sum is σ = 103441464. Its totient is φ = 101413000.

The previous prime is 102427189. The next prime is 102427243. The reversal of 102427231 is 132724201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132724201 = 101 ⋅1314101.

It is a cyclic number.

It is not a de Polignac number, because 102427231 - 2¹⁹ = 101902943 is a prime.

It is a super-2 number, since 2×102427231² = 20982675300654722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102427291) 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, 506965 + ... + 507166.

It is an arithmetic number, because the mean of its divisors is an integer number (25860366).

Almost surely, 2^102427231 is an apocalyptic number.

102427231 is a deficient number, since it is larger than the sum of its proper divisors (1014233).

102427231 is a wasteful number, since it uses less digits than its factorization.

102427231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014232.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 102427231 is about 10120.6339228331. The cubic root of 102427231 is about 467.8843052339.

The spelling of 102427231 in words is "one hundred two million, four hundred twenty-seven thousand, two hundred thirty-one".