102388461 has 32 divisors (see below), whose sum is σ = 161998848. Its totient is φ = 56306880.

The previous prime is 102388459. The next prime is 102388471. The reversal of 102388461 is 164883201.

It is not a de Polignac number, because 102388461 - 2¹ = 102388459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102388411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63315 + ... + 64911.

It is an arithmetic number, because the mean of its divisors is an integer number (5062464).

Almost surely, 2^102388461 is an apocalyptic number.

It is an amenable number.

102388461 is a deficient number, since it is larger than the sum of its proper divisors (59610387).

102388461 is a wasteful number, since it uses less digits than its factorization.

102388461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 102388461 is about 10118.7183476960. The cubic root of 102388461 is about 467.8252644119.

The spelling of 102388461 in words is "one hundred two million, three hundred eighty-eight thousand, four hundred sixty-one".